How to Safely Attach a Deck to a House | This Old House

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This Old House general contractor Tom Silva shows how to save a wood deck from a catastrophic collapse.
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Tom helped a homeowner repair a deck that was in imminent danger of collapsing due to poor building practices. Underneath, Tom found that a couple of nails were the only things holding the deck's ledger board to the house. Using framing lumber and a sledgehammer, Tom pushed the deck back toward the house and back up to the proper height. With the deck in the proper position, Tom fastened the ledger board to the rim joist of the house with lag screws. For additional support, and to prevent the ledger board from splitting, Tom also used masonry bolts to fasten the ledger board to the stone foundation. He also found that the original deck builder used joist hangers that were too small for the 2x10 joists, so he installed larger-sized timber hangers (designed for engineered lumber) for additional support.
Tools for How to Safely Attach a Deck to a House:
- Sledgehammer
- Circular saw
- Drill/driver
- Impact wrench
- Hammer drill with 1/2-inch-diameter masonry bit
Shopping list for How to Safely Attach a Deck to a House:
- 2x4s and 2x6s_-inch x 10-inch galvanized lag screws with washers
- _-inch x 10-inch masonry wedge anchors
- Pressure-treated 2x4
- Engineered-lumber joist hangers
Joist hangers, masonry bolts and lag screws can be found at your local home center or lumberyard.
About This Old House TV:
This Old House is America's first and most trusted home improvement show. Each season, we renovate two different historic homes-one step at a time-featuring quality craftsmanship and the latest in modern technology. We demystify home improvement and provide ideas and information, so that whether you are doing it yourself or hiring out contractors, you'll know the right way to do things and the right questions to ask. Our experts Norm Abram, Tom Silva, Richard Trethewey, Roger Cook and host Kevin O'Connor give you the tools you need to protect and preserve your greatest investment-your home.
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How to Safely Attach a Deck to a House | This Old House
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Опубликовано:

2 июн 2014

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Комментарии : 512

@tmq1384 4 года назад

I could listen to Tommy explain how he's going to fix something all day. A true master at his profession.

@drymoonproperties 3 года назад

He really is as a carpenter with almost fifty years of experience I enjoy him as well. If you want another excellent man his RU-vid channel is the essential carpenter very knowledgeable and easy to understand and listen to.

@alonzojohnson7955 3 года назад

👍

@sixhundred3score6 3 года назад

For carpentry and general construction, yes. I've only been impressed with one person's masonry skills in my 15 years watching these gentlemen. They get by and up to code. But, practice and tenure aren't something most of them have with masonry, so I understand. Still, I agree with your comment. Happy home remodeling 🤘

@TheIggypop1 3 года назад

@@drymoonproperties yes he always does it right so the next guy doesn't have to fix it. Old school knowledge

@RobertoGonzalez-gz9ro 2 года назад

@@drymoonproperties ooooooooooo

@Skammerd 3 года назад

I'm home on my couch and when Tommy said, "This deck is ready to fall" my heart started racing and I spilled my beer.

@BrentLagerman 2 месяца назад

what are we gonna do? Proper answer "get the heck out of under the deck!"

@goldenbergconstruction1656 5 лет назад

The engineered hanger trick is the best one I have seen on youtube in a long time. 44yrs a carpenter and I did not know that.

@rubbersole79 5 лет назад

Uttered by every man doing a repair or lashing something down....."That ain't going anywhere."

@Football5198 5 лет назад

“Hold my beer”...you forgot that part

@Fsilone 4 года назад

Anything that involves something that moves but shouldn't. Just like the duct tape vs. WD-40 analogy.

@davec.3198 4 года назад

I've said it every time I've loaded motorcycles on a trailer or in a truck.

@Fridelain 3 года назад

That ain't going nowhere. NO where.

@robw5088 6 лет назад

Tommy's my boy! Never lets me down. Just when I thought he was going to over look those undersized hangers; bang! There he is installing new ones!!!

@Rick-the-Swift 5 лет назад

"Undersized hangers" lol. Have you ever personally tested the holding strength of a properly fastened 2x4 joist hanger? Those things are the definition of over-kill if properly fastened. Do yourself a favor and don't believe everything the media and lawmakers try to sell you.

@conqueringlion420 2 года назад

Your boy? Hes a Man. Your the boy

@Jbritehi 10 лет назад

Enlarging and going over the timber hanger was a great move. They're a real pain to take off. Great vid!

@gregreed402 7 лет назад

no problem taking them off , there easy if you use the right tool . When you look at the number of nails in those joist saddle sabout two from what I saw and if you put those larger over its a hell of a job to nail the new saddle through the old one and the original ones are cheap electro plated they are corroding . Should be stainless steel. Also bolting into masonary plaster and veneers have no strength .

@tombryan1 4 года назад

4.5 inch grinder with cutting blade, its a cinch. Fist shoot 2 16s toe nailed into ledger, remove the hangers, replace. Use Zmax rated for PT

@Varifyable 3 года назад

@@gregreed402 if you use a positive position nailer its easy to blast through that steel. It will at least get it started then finish it off with a hammer.

@geoffrey8722 3 года назад

I use to be so angry when this show was on and my dad would not change it... now I watch this on RU-vid and ignore my children...

@Rot05 4 года назад

Tommy Rocks! Every time I watch a video with him in it, I am beyond impressed! Outstanding!

@patriciapryorppkrealestate 5 лет назад

This is a great site to give to homebuyers to educate themselves on how home repair projects should be done. I see so many properties with improper home installations. It's good to get a sound understanding of how things should be done. This site really helps to get that understand. Great videos. Thanks

@thefaithfulone1947 3 года назад

Love This Old House 🏚 I have learned so much home improvement tips just by watching all their informative episodes 👍 I've been watching for so many years and I'm still like a boy in a candy store 😀

@devinmccloud 5 лет назад

Watching Tommy work is pure gold!

@tonytully4943 4 года назад

You always have some of the coolest tricks. The way you jack something up is so impressive. Once you do it and explain it makes so much sense. It's one of those things that is so simple that it is mysterious

@keithamundson4854 4 года назад

Tom I always watch this old house when I can. You guys are great 👍.

@jackfarrell4727 3 года назад

I used to build decks attached to the house, as in "bearing the weight ". Now I build with posts 2 or 3 feet minimum from the house and bolt ledger to the structure for stability. Great video by the way.

@brianhvactech 6 лет назад

His tips are always great. He is definitely a master builder.

@army9ful 6 лет назад

I could watch Tom work all day!

@lcaunan 3 года назад

Mr. Silva gives very detailed instruction. He made me smile when he started jumping on the deck. He reminded me of a small child 😂

@rwg63 4 года назад

Tom Silva You Do Great Work My Friend...

@pasquarielloanthony 5 лет назад

wow. look at those antique tools! We've come so far in so few years. and the cellphone on his hip too.

@Eternal_Hoop 6 лет назад

One day I will own a deck... and maybe build a house around it

@Joseph1NJ 6 лет назад

Once again, Tommy nailed it.

@jmwoods1428 2 года назад

Tommy and Norm, the best of the best.

@stevied9082 5 лет назад

The very next day the house fell down but, the deck is still standing 😁 I jokey 😉 Good work guys.

@phrenic13 4 года назад

Thank you so much for this video. I've been trying to find info on installing my new ledger with the top half fastened to the rim joist and the bottom half into my cinder block foundation wall. This is exactly what I was invisioninig and made me feel a lot better about it.

@ajsdfk 2 года назад

how did it go

@phrenic13 2 года назад

@@ajsdfk it went well, but I ended up raising the ledger to completely attach to the rim joist. Fastened it with structural screws that were the equivalent to 1/2" lags. Turned out great.

@jarkolimbo9268 6 лет назад

Nicely done! That won't fall down now. I didn't notice any flashing, though. You'll need that to protect the ledger.

@michaelb2401 3 года назад

I've watched this video like 7 times idk why it's interesting every time.

@kartboarder22g17 4 года назад

I used ledger screws into the studs in my house and then lag bolts at the end as the ledger wanted to twist out. Worked great

@GunsHarleysUSA 10 лет назад

A great & helpful video, thanks for posting it......

@Ohmz777 4 года назад

Tom Silva is a beast

@princedax77 3 года назад

I always enjoy these short videos especially when I see they are using the same exact power tools that I have it's like hay I got the right tools for the job

@elchingonracinggarage4649 5 лет назад

Great job very informative

@vrod1a 4 года назад

Very nicely explained 👍 Thanks 🙏

@neomatrix2722 2 года назад

Another great video and I've learned again more thanks for sharing

@moderngod1 Месяц назад

Makes it sound and seem so simple!!

@crush42mash6 3 года назад

Make it look simple yet professional

@BunsAndGunsCalendars 7 лет назад

NICE ... THANKS FOR POSTING THIS

@thomasbroking7943 5 лет назад

Beautiful job

@adamortner7172 4 года назад

Tommy is the Master! Imagine Tommy coming to your house? This is not what normally happens!!! Wondering why Tommy didn't want to predrilled the sill to avoid splitting that just as the ledger....any way, saved to my favorites!! Love Tommy!

@EastSideBlitz1337 7 лет назад

How the heck did that deck stay up with just nails? Insane.

@jshepard152 7 лет назад

I'm building a treehouse for my son and was talking to the hardware guy at Lowe's about buying some hardware. He recommended that I attach my joists to the supporting posts by nails or screws. I was like, umm, no thank you.

@gmoneyb5559 6 лет назад

Nails are actually extremely strong with sheering forces.

@darkone12491 6 лет назад

16 penny nail has a sheer force of like 130 pounds youd honestly only need a couple to hold it up for a few people. its definitely not safe especially for a party but really its not that bad.

@PoeCompany 6 лет назад

you underestimate the power of nails

@PoeCompany 6 лет назад

avo how was she?

@youarerightboss 6 лет назад

Man, this gentleman is worth his weight in gold.

@anon31415 8 лет назад

Loved it!

@stevehillier7018 4 года назад

I never see Tommy hit his finger with the hammer 🔨 and swear like a normal Craftsman. Amazing 😉

@chefdeprestigellc8855 5 лет назад

Those masonry bolts are pretty cool how they self expand the cone collar at the tip of the bolt while drilling.

@243wayne1 4 года назад

Yes they are, and they've only been around since Christ walked the earth. Class dismissed.

@carlthornton3076 3 года назад

Good Job!! Y'all Take Care & Stay Safe... Carl & Judy Thornton ~ Lamar County, ALABAMA ~

@stanleykania7184 8 месяцев назад

Nice work

@pointedspider 4 года назад

I love this old house

@BobbleHead90 2 года назад

I love this show

@berniebass3575 2 года назад

Good job 👍

@davidhou5235 2 года назад

Great idea!

@tylerbhumphries 2 года назад

This was so helpful. It’s so hard to find quality videos about fixing old houses that are made of brick or stone. My house was built in the 1890s so the way it’s constructed it very odd. I don’t have a lot of wood in the house. For example, my floor joist aren’t attached to any supporting wood, they lay directly in between bricks of the house’s walls. Meaning my foundation stone was put in place and then the joists were placed on top of those and then the bricks were placed around them and up it went until you make it to the roof. I’m getting a roof replacement in about a month so I’ll see how that was built soon. I’ve been watching a lot of videos trying to figure out the best way to attach my new front porch and sunroom addition.

@flat-earther Год назад

Well did you get to see how your roof was built? & how did you attach your new porch?

@tylerhumphries3428 Год назад

@@flat-earther Unfortunately my roof replacement date was pushed up so I couldn't take off work to watch them work. I wasn't able to see as much as I wanted. But I did find out that the roof that was on the house was the original one. As in, as they started replacing the one layer of asphalt shingles, they uncovered all my original slate. And sadly, none of the five chimneys had been closed even though the fireplaces had been bricked up and plastered over in the 1910s. The roof replacement ended up costing more than originally planned as well because they had to replace a lot of the wood that was up there. We haven't attached the new front porch yet, I'm hoping we can do it before the end of October because my old porch won't survive another Missouri winter.

@georgeksirakis8898 6 лет назад

excellent video!!!!

@indyhotdog7652 4 года назад

I wish I had seen the preamble where they showed how the homeowner described the problem. Regardless, Tommy did a great job. Also, where does he buy his dimensional lumber? The crap at my box store is one step up from firewood!

@mattberg916 4 года назад

Try a real lumber yard if are any left

@heroknaderi 4 года назад

Good tips thanks 🙏

@RC.Time-Crawlers 3 года назад

Master Silva! 🙏

@ramyswar296 4 года назад

Tommy is awesome.

@sajidrafique375 6 лет назад

His Videos are Top

@marcibunn Год назад

thank you!

@benomax6429 3 года назад

Good job

@dpeagles 4 года назад

Tommy makes it look easy.

@philoyphilia Год назад

Best part was seeing Tom at the end doing that bouncing demonstration 😅

@bmurphy386 Год назад

All tricks we use in the field... you can't beat old school. Carpenter/framer for 20 years.

@LtDan-hr1pb 5 лет назад

Many jurisdictions will no longer the use of lag bolts, only carriage bolts. Also not allowing bolting to masonry at all. At that point it must be free standing. As a firefighter we had a call to a home for a deck collapse. It was a rather large deck about 12 feet above the ground and it had pulled away from the house. Because of the number of injured and the media attention it drew, this accident was investigated. It did have the proper number of bolts spaced properly and had passed inspection several years prior. Because the lag bolts had pulled away from the house the county required the use of carriage bolts.

@Rick-the-Swift 5 лет назад

Lt. Dan, that's pretty funny because carriage bolts are just as likely to pull away as the lag bolts. They're pretty much the exact same thing. Only difference is the carriage bolts may be slightly harder to install. That would be like determining that smooth shank roof nails were inadequate to hold down shingles and that smooth shank drywall nails are to be used in their place.

@Asomesauc 4 года назад

Tommy you are wicked smart

@AndyB718 2 года назад

One of the best in the buisness 👊🇺🇲

@jennifersmith3010 5 лет назад

I've gotta say. I'm a woman and watching you tube to learn to fix things myself. I was watching installing closet doors and the computer kept playing leading me this fabulous deck. Men who fix correctly, and build, and work hard are always incredibly sexy and I truly mean it.

@Rick-the-Swift 5 лет назад

Hi :)

@belliott6042 4 года назад

Tommy is the GOAT

@Anchony 4 года назад

Tommy got them hops!!!

@Pw6872 3 года назад

Ideally, the deck wouldn't be attached to the house at all but standing on its own footings all around. Costs more but no siding/leaking/sagging issues.

@jessysaini1 8 лет назад

Right way to install .

@spookerr 7 лет назад

I used 4x4 pressure treated posts (6) on my 9'x12' composite deck and legged up my deck which is already lagged to house.

@rjkulman8990 4 года назад

he's the best

@spadina6234 5 лет назад

4:30 buddy blew out the concrete hammering and spun out the anchor lmao. Tommy didn't have the heart to tell him

@goodun6081 5 лет назад

I prefer to use drop-in anchors that you set with the special punch tool and a gammer before threading a bolt or threaded Rod into them. Wearing hearing protection while using the impact driver in that confined space underneath the deck would have been a good idea, it must gave been really loud !

@melainewhite6409 4 года назад

Bottle jacks, a wonderful thing!

@Romans_116 Год назад

All of these tricks that makes lot of sense. This only comes by knowledge and experience.

@John_NJDM 6 лет назад

I want Tom Silva to be my mentor.

@RutherfordNJDrywallRepair 6 лет назад

I second that! One can learn so much in that scenario!

@BariumCobaltNitrog3n 8 лет назад

I have the same ancient Makita 14.4

@wastedyouth191985 5 лет назад

That was good.

@fieldaj2011 5 лет назад

Another deck ledger initially held up by wishes and dreams.

@malkav_ils 5 лет назад

@This Old House please reupload the full erpisode.

@thedoman8807 7 лет назад

with out proper flashing asking for major water damage to sill and siding

@TheRealJohnJ10 6 лет назад

expert alert!

@jeffquinn5653 5 лет назад

Worked homeowner claims for 30 years. Saw dozens of claims for extensive rot to sill plates from lack of flashing and moisture barriers. Spot on.

@iLikeC00kieDough 5 лет назад

The Do Man The Do Man shouldn’t it be treated anyway due to contact with the foundation ?

@whatfreedom7 5 лет назад

Simon Legree I have the same issue. I need a new deck but I’m not sure how I’m suppose to prevent it really once it’s repaired.

@Football5198 5 лет назад

Thank you! Beat me to it.

@ericlake6462 3 года назад

Nailed it

@Ducklife181 4 года назад

What is a perfect world??? It’s a perfect world when your next door neighbor is Tom!!

@fliprodriguez5250 Год назад

Tommys voice for construction is the equivalent of Mike Rowe to dirty jobs…. Smooth easy to listen too

@gregmaggielipscomb9246 4 года назад

How about adding some flashing before attaching the ledger to the rock stemwall?

@ccsmith2937 5 лет назад

Cool.

@Yangar03 4 года назад

Always bring the nut to the tip of the bolt when hammering, the threads will be saved from getting damaged.

@tombryan1 4 года назад

It has a tapered head meant for hitting, hello?

@MrDougfunny7 Год назад

the threads behind the nut are only needed if you back the nut off. Which he wouldn't be doing...

@24tonystepnick 9 лет назад

nice

@diggingmystyle 3 года назад

Send this man to Surfside and inspect everything.

@puwazatza Год назад

This particular one really saved the family from a tragic accident.

@joekind1 5 лет назад

Was there any need to install flashing?

@bihlover80s33 6 лет назад

I'm about to covr my porch . It's a brick house . which of the bolts should I use to attach a ledger board agains a brick wall. Is it a lag screw or through bolt ?

@peterfarrell9187 3 года назад

I prefer if at all possible to use all thread washers & nuts inside and out rather than lags. you get a much better mechanical fastening using this method, providing that you have access to the inside sill. masonry lags we right on as well as the larger joist hangers.

@Braja36 2 года назад

Han är bäst

@goodun6081 5 лет назад

At 3:50, did he drill through both the ledger board and the block of spacer wood with the same hammer drill and masonry bit that he also used to drill into the foundation? That's a good way to burn up your masonry bits prematurely. I know, because I had an apprentice do that to my 18 inch heavy duty masonry bits on a job site.

@philipvernejules9926 5 лет назад

.......it's great the way you make a whole day's work last only five minutes. It's a good method for lifting the deck to hammer in the Oversized verticals from an angle. Otherwise one needs accrow props.....just done a second viewing and I can't believe I so quickly forgot the long planks at end of deck that he butted up against ground stakes and wedged at end of deck to hold the deck fast and firm to the house for the subsequent ledger bolts.......something tells me that this could be ancient wisdom dating back to the Romans even the Egyptians maybe and this bloke could be a master in his Masonic Lodge.

@RudyNortz 3 года назад

What was the waterproofing between the ledger board and the sill???

@DougCeleste 7 лет назад

Is there ANY job that Tom Silva cannot do??? The guy is AMAZING!!! But whoever did that deck job should be fired!!!

@rafaelLacerda646 6 лет назад

Doug Celeste yes hardwood flooring

@TheUnlikeGuy 6 лет назад

Yea, a good job.

@dareisnogod5711 6 лет назад

Not fired, castrated.

@benjimcdowell1627 5 лет назад

@@TheUnlikeGuy your opinion. He is after all a master Craftsman that has his own show in a professional that poops out videos to try to help people to do things we all have our opinions. Be respectful. Just because it's not the way people would do it does not mean it's wrong

@maggs131 5 лет назад

Fired? He should be in jail getting pounded out daily

@Roadtrip53 Год назад

What about flashing for the ledger board and some caulking to prevent water from getting down between the ledger board and sill/foundation????

@EarendilTheBlessed 4 года назад

I've seen some damaged houses with this detail. I would not apply it on walls located on the weak diaphragm axis. Any foundation settlement will damage the house.

@mijodo2008 4 года назад

Good video Tommy. A quick question if I may, would the use of chemical anchors be less inclined to produce micro cracking and therefore eventually 'pull out' of the masonry wall. Any type of Expansionary Masonry Anchor produces stress lines in brick, block, rock and in close proximity to concrete edges which result in ultimate failure. Chemical anchors are safer, transmitting only the consequence of the load with no built in stress fractures.😁 Just a thought. Love your work. Cheers from Michael. Australia.