Framing And Decking Forum

Find what you need about joist sizes, layouts of framing and ideas on installing the actual decking surfaces will all be found, discussed and pontificated upon - plus a few other gems.

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Waterproofing top of joists 
Twenty-one years ago I built a cedar deck. This year I'm replacing all the horizontal wood (I left it to the elements for all this time, but now the horizontal …

Cedar vs. PT vs. Composite and 2x6 vs 2x10 
My 16 x 18 deck needs to be rebuilt. I had three builders come out. Guy #1 says cedar isn't worth the expense. It's too soft; and you can't get good …

Do codes allow ledger rails to be used to hold up the joist or are joist hangers now code? 
I am having a deck built & several people have told me that it is not being built to current codes. I have been told that current codes require joist …

Pressure Treated Lumber - dimensional variations in joists 
I am building a freestanding deck - consisting of two rows of 2x12 beams with 2 x 8 joists on 12" centers - deck surface will be 2 x 6 on 45 degree angle. …

Framing a free standing deck 
I'm planning on building a deck in my backyard in the fall, and have everything sorted except for one thing. I decided to go with a free standing deck. …

Custom deck supporting a hot tub 
We are building a 24x24 deck out of Azek (vinyl) deck planks and standard spacing of joists is 16" o/c. The hot tub will range from 4000-4900# filled …

Installing support post saddle brackets after concrete cured 
I have the footings poured and cured for a week. The post support saddle brackets were not set into the cement when the footings and piers were poured. …

Beam Span to Support Deck Floor 
I am adding a 12x12 Hip roof with 6" overhang with a 4/12 pitch over a 12x12 deck. I live in eastern Pa so snow load needs to considered. I want to …

Deck Boards Layout 
How do I lay the deck boards layout out so that the butt joints are not next to each other? The deck is L shaped, the main portion is 16W X 21' 3.75"L. …

Staggered Joints For Decking 
On a 24' x 18' deck using 12' material running the 18' width is it better to stagger the joints or have all the joints on one side of the deck? If staggered, …

Ledger board versus joist size 
My new house has an 8 inch ledger board and I am builiding a large wrap around deck with a plan that calls for 10 inch joists. Is it possible to hang …

Size of footing for second story deck on a hillside 
I would like to build a 2nd story deck on my house. It is located on a hill side and the SW corner where I need to place a post has shown some erosion. …

Building a picture framing border 
I am thinking of building a picture framing border for an existing deck. But my floor deck boards only overhang the deck frame by less than half an inch. …

Footing depth and height question 
How deep do your concrete footings half to be in relation to how tall your sonotube is?

Picture framing a corner cut on deck 
I am framing a deck that has stairs on a 45 degree angle. I want to install picture frame floorboards - two boards wide. For the straight sides I …

Raidata Pine by DreamDex question 
Replacing some redwood decks and considering the use of Radiata Pine by DreamDex. How effective is this product for decks, and what are its spanning, …

Kild Dried lumber and deck railing problems 
I used kiln dried lumber on my deck. I also used it for the railings. They came with a top and bottom baluster channel,with a seperate hand-rail piece …

Western Red Cedar 5/4 x 6 Deck Board Fastening & Finishing 
I've got my two decks all framed up and I'm ready to lay down the boards. When I started out we had planned to use Ipe, but then we added a second deck, …

Best Decking Material for West Coast 
We are thinking about building a new deck and are wondering about what kind of decking material for the deck surface to put down. What will last the …

Span Distance of Deck Joist Framing  
How far out from the house can your deck joist extend before you need a post support under it? I am using 2x10 joists.

Properly spacing deck boards 
I am replacing the boards on my deck as they are beginning to rot and I have several boards that have busted through. When I put the deck in, it was done …

Best way to keep beams vertical on concrete posts 
I'm building a two foot high free standing deck (10 X 15). I've got holes dug for 4 posts per beam for the 15ft width. I'm planning on using 2 X …

Extending Length of Rim Joist on Long Deck 
I am building a deck that will have the rim joist attached with nails to the end of the joists. It is pretty long (40+ feet) and will obviously need multiple …

Why are Joist dimensions are different? 
I purchases 2x8x10 joist lumber from two different places. It turned out the actual joist dimensions are different. Some are 7 1/8" and some are 7 1/2". …

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Post Beam Connector to concrete slab 
I am contemplating a deck over an existing concrete patio that is covered with Slate. The concrete slab happens to be 20 inches deep. Can I simply attach …

Steel frame for a deck 
I would like to build a second floor deck on my two story home. I wanted to use steel bar joist and steel i beams to form the frame then apply composite …

Deck slope for water drainage 
What is the standard deck slope for a deck to allow water drainage?

Cedar Decking spacing between boards 
I'm about to install cedar decking (1" * 6") across the joists. Should these be laid flush - or with a small gap between. If so - how much gap?

Deck Framing - Beams on top of footing (not enough space for post) 
I am a newbie and trying to build a deck (no experience). The deck that I am planning to build is only 23" above ground. It will be a floating/free …

Multi-level deck 
I have an existing 5x10 PT deck. I want to replace the deck with cedar and then add a second, lower-level deck. The second deck will be 2 steps below the …

Self Builder - Joining Different Lengths of Joists 
I had plans drawn up for a addition to an existing deck. There is a 14 foot span to the first beam then an 8 foot span to the next beam. It calls for …

Deck Joists Questions on Free Standing Deck Over Concrete Patio 
My deck is 12' wide. What size lumber 2x8, or 2x10 to use for joists? Also it is 7' above ground on a concrete patio free standing or floating. Can …

What Dimension of Beams and Joists Should I Use? 
I have a space constraint in that there is only 15" between the door into the house and the grade where the proposed deck would go. What dimension of …

Decking Floor Joist Size Question 
I am building a deck 10' X 12' made from pressure treated lumber. The joists will be 16" on center spacing. I need to know what is the size of joist …

Do I need a double Joist...?? 
I'm building a 17' x 17' deck using deck blocks which is at ground level. The trusses & joists are 2x6s. Based on advice given from someone at HomeDepot …

Using Wide Decking Planks 
My hubby and and I have decided to finally replace our deck. The previous owners never maintained and powerwashing split the wood terribly. Anyway, …

First Time Deck Builder Using Different Sizes of Beams Around Pool Deck Not rated yet
I have different size beams I need to connect on the center of a post. How do I ensure my beams stay the same height? The reasoning for the different …

What Constitutes A "Free Standing" Deck? Not rated yet
I paid to have a "free standing" deck with a rear support beam and rear support poles. What we got is a fully attached deck with a beam and support posts …

Support posts set in concrete footings and part of railing Not rated yet
I have a 25 year old pressure treated pine deck that is holding up pretty well. It is a raised deck approximately 4 feet off the ground. It is sitting …

Spacer between dobie metal bracket and 4x4 PT support post Not rated yet
My deck design uses dobie concrete blocks embedded in concrete piers for mounting 4x4 support posts. A contractor friend told me to put a piece of …

Different New And Old Joist Sizes On Deck Remodelling Job Not rated yet
We are re-decking the flooring of our existing 15 yr old deck, but previous owners spaced joists at 24" OC. These 2x8s measure about 7 1/4" while the …

Ledger Board Overlapping Siding Below It Not rated yet
My contractor installed my ledger board with about a 1/4" to 1/2" overlap on the bottom edge over the HardiePlank siding. They said this was intentional …

Rooftop Deck - Rail Posts on Low Profile Frame Not rated yet
I am building a rooftop deck on a slightly sloped roof that will require the joists at the high point on the roof to be only 1.5" deep. What is the best …

Deck support Not rated yet
I'm planning a deck shown in the attached sketch using ledger boards, but the 2x10 joist span on the left side is too long at 16.5' (between outside beam …

How to Anchor Deck Support Posts Where There Is A High Water Table? Not rated yet
We are putting in an above ground pool and wish to put a deck and pergola around it. Our problem is we have a high water table. About 6' below ground. …

Free standing 10' high balcony on century home Not rated yet
I have just purchased a 162 year old house and need to add a small (8' w by 5' deep) balcony/raised deck under a second story pre-existing regular door. …

Is it OK to use 5/4 PT decking on 45 degree angle to 16 Not rated yet
I'm replacing the surface of a 300 s.f. deck. The previous material was 2x6 PT but built with tongue and groove system that held water and caused lots …

Adding on existing deck Not rated yet
I have a 12 x 10 deck. the deck comes off the house 12' and is 10' wide. I would like to add on the deck and make it 18' off house x 16' wide. My question …

Using 2 x 10 treated lumber for decking Not rated yet
I am tearing down a large deck and have an abundance of 2 x 10 treated that are in excellent shape. Can I build a new deck that is 12' x 14' using …

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Where do I start laying the decking boards Not rated yet
I have all the deck posts, sono tubes, beams and joists all in place. The deck is ready for the decking boards. Do I start installing decking boards …

How to attach larger ledger board to smaller house joist Not rated yet
I've attached an image to this posting that may help show the problem I'm about to describe. (Note: the sketch is not to scale) So I started removing …

Building a Deck and Preventing Water Damage Not rated yet
I have a few questions about building a deck and preventing water damage. I am concerned about framing the deck, beams and how to prevent rotting of the …

How to attach an extension to my deck? Not rated yet
I need some help on how to attach an extension to my deck. I have a 4ft(D)x 7ft(W) deck off my back door at the cottage I would like to add on another …

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