putting decking over plywood weight

I want to know how much weight I can put in the attic. The .

Your allowed weight and span for a 2"x8"x12& 39; 2BTR HEM-FIR based on the info you have provided is 20 PSF of dead load and 30 PSF of live load with minimum bearing length of 0.68". To simplify you can place 20 pounds of dead load per square foot on your subfloor as long it’s supported mid span.【Get Price】

Granite Countertop Underlayment - WOODWEB

A lot of companies that sell granite tops over the internet also do it in 2cm because of the weight factor. From contributor O: I built my cabinets to have a piece of 3/4& 39;& 39; plywood sit on top of the partitions and be the same height as the face frame flush with the top of the face frame so does this 3cm granite sit on the top of the plywood .【Get Price】

1/2" VS 5/8" Roof Decking - Fine Homebuilding

My builder is essentially over-building the framing on our new house – which I am not complaining about. However he started the roof decking over the weekend and is using 15/32″ plywood. Rafters are 16″ on center. Roof will architectural composition shingles.【Get Price】

How to Install Composite Decking Over Wood Hunker

Depending on the size of your deck you could save two or three days& 39; work by installing new decking boards directly over the old ones. One important reason to avoid doing this is that the deck foundation may not be able to handle the extra weight.【Get Price】

How to Install Self-leveling Concrete Over Plywood Sub-floor?

When installed correctly your concrete over plywood floor will not permit moisture through will not warp or buckle and will come with all the benefits of concrete in an easy-to-care-for floor. Duraamen’s Param 5500 goes on thin in a 3/8" to 1/2" thick appli ion.【Get Price】

Instant Paver Deck on Wood Frame - Deck Paver Project

But there are substrate systems that can be used over wood joist framing to lay paver stones right on top. Here is a deck construction project - based on a couple jobs - that show the steps of how to use the Silca System to install stone deck pavers over a traditional wood frame deck. The project draws images from several projects to show.【Get Price】

EPDM Roofing Installation and FAQ - Just Liners

Can EPDM be bonded directly over asphalt tar shingles asphalt rolled roofing or felt paper? No the oils in pertroleum based products will cause EPDM to swell and fail. EPDM should be bonded over 5/8" plywood 5/8" OSB board or polyisocyanurate board with a fiberglass backing.【Get Price】

Does a second layer of OSB over a rotted layer cause weight .

Plywood weighs 3.0 lbs. per square foot per inch of thickness. OSB board could weigh slightly more because it has fewer voids and significantly more glue. So adding a layer of 5/8" OSB board might add 2.0 lbs. per square foot at most.not significant unless you live in a high snow zone or your roof structure has decayed too.【Get Price】

What Kind of Covering Can You Put Over a Wood Subfloor on an .

With a carpet you& 39;ll want to lay plywood subflooring panels on top of the existing decking boards to rid the floor of the decking gaps that would leave your carpet uneven. Composite Overlay If your existing deck subfloor is level you can install an overlay made of weather-resistant composite materials manufactured to resemble real wood or tile.【Get Price】

Plywood Decking: A Good Alternative? DoItYourself.com

Plywood decking is a lot less expensive than the other materials. One or two sheets of plywood can cover the entire deck. Proper Plywood Decking Materials. Plywood decking is a great choice as an alternative to regular boards as long as the right plywood is used. Normal plywood is only four or five layers of wood and is bonded together by a .【Get Price】

Calculate Deck Load Capacity - Tributary Area

To determine the maximum load capacity of your deck start by calculating its total area and multiply by 50 psf. So a 100 sqft deck would be designed to support 5000 lbs. Don& 39;t get confused with what weight you might think or want to load the deck with. If you drove a dump truck over it yes this would throw all our calculations out the window.【Get Price】

Installing Decking Over Old Decking Decks.com by

Installing decking over old decking will drastically reduce the lifespan of the material. The joints between two materials will readily trap water in wet environments. This contact area should be limited only to the top of the joists leaving most of the decking exposed on both sides.【Get Price】

Can You Put Composite Decking Over Existing Treated Lumber .

While this does not prevent you from being able to lay composite decking over an existing pressure-treated frame it does mean that you will need to make some adjustments to compensate for the added weight. Otherwise the deck will collapse under the weight of the composite decking.【Get Price】

Design Capacities for Structural Plywood - PFS·TECO

c 5-ply applies to plywood with 5 or more layers; for 5-ply/3-layer plywood use values for 4-ply plywood. d Strength axis is defined as the axis parallel to the face and back orientation of the grain veneer which is generally the long panel direction unless otherwise marked.【Get Price】

Composite Decking Weight Vs. Wood Hunker

Composite decking consists of wood fibers embedded in a polymer binder. One of the best-known makers is whose product weighs approximately 60 pounds per cubic foot so a 12-foot length of 5/4-by-6 weighs 27.5 pounds.【Get Price】

Don& 39;t put new roof sheathing over old - Baltimore Sun

A square - the equivalent of 100 square feet - of three-eighths-inch plywood the minimum thickness I would expect to be used weighs about 110 pounds. Since a standard three-tab asphalt shingle.【Get Price】

Plywood floor overlay ? Boating Forum - iboats Boating Forums

The floor on my boat has a couple of rivets that have pulled through the wood and is a little bit soft in areas. I am seeing if anyone has put marine grade plywood over the existing floor. I am thinking of purchasing the plywood and stainless screws but have some concerns about the two staying.【Get Price】

Pli-Dek System - Over Plywood - Pli-Dek

The PLI-DEK waterproof deck system for plywood substrates has been ICC-ES evaluated since 1980. The system utilizes a 2.5 galvanized metal lath and a polyacrylic emulsion base coat with a wide variety of finish options. All of the systems carry a One-Hour and Class A Fire Rating.【Get Price】

Installing Overlays over Wood Surfaces - The Concrete Network

I would not be surprised to see that the crack had followed a seam in the plywood or decking in the sub-floor. Utilizing control joints along long seams or large areas is important. Another thing to consider is the stability of the wood deck or floor. Additional bracing or stabilization may be needed especially on exterior raised decks.【Get Price】