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| PLY SHEET
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A layer in built-up roofing. |
| PLYCLIPS
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Also called metal edge support clips and plywood edge clips, these metal clips reach between adjacent edges of plywood panels to connect them. |
| PLYFORM
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Trade name of a plywood that is made from woods chosen for durability that are bonded with exterior grade waterproof glue and sanded and oiled to minimize moisture penetration. Since it is used for concrete forms, moisture penetration reduction and a lessened potential to stick to the concrete as it cures is vital. |
| PLYFORM, HDO
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Trade name of a high density overlaid Plyform, which has improved longevity due to the material (resin) that is bonded to the Plyform. More expensive than regular Plyform, it is used on a longer term concrete job where it is necessary for forms to last longer. |
| PLYTOOTH SAW BLADE
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Saw blade, used for cutting plywood, due to the fact that this finer tooth blade splinters the wood less. |
| PLYWOOD
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Wood make of three or more layers of veneer joined with glue, usually laid with the grain of adjoining plies at right angles to one another. This arrangement makes plywood strong and highly resistant to movement from expansion and contraction. This lack of cracking keeps paint and finishing problems to a minimum. Plywood has innumerable uses, from roof decking to siding and cabinets. |
| PLYWOOD EDGE CLIPS
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Also called metal edge support clips and plyclips, these metal clips reach between adjacent edges of plywood panels to connect them. |
| PLYWOOD GRADES
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Ratings of the quality of plywood which include Grade 1, which is the best available and can be even used for furniture, to Grade 4 which is sound but defective in appearance. |
| PLYWOOD, EXTERIOR
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Plywood, made with waterproof glue, that is used for exterior applications. |
| PLYWOOD, INTERIOR
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Plywood which is not suited for exterior use because the glue can only be resistant to moderate moisture. |
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