underlayment nailing pattern plywood inspection and QC checklist
- Nailing Pattern “X” ,the sizes ,position ,and quantity ,custom-logo …
- The face and back veneer species ,some use natural birch ,and some use white brich or other light color hardwood speices
- Thickness should be very tight
- Surface grading rules and defects are the same like regular plywood
- Screw holding power
undelrayment Plywood is a plywood serving as an ideal underlayment for vinyl sheet, vinyl composition tile, carpet, and other traditional floor coverings. Its unique construction makes it indentation resistant, dimensionally stable, non-staining and completely void free. As with all wood products, proper storage and handling will ensure the best performance and a trouble-free installation.
- Unique fan shaped nailing pattern prevents the nailing pattern from being visible from the surface.
- With or without the nailing pattern
4′ × 8′ Specifications:
- 5-ply, 5.5 mm white wood face (-0.3mm; +0.0mm)
- Master Crate — . Packed as (4) mini–crates.
- Mini Crate —
- Weight
4′ × 4′ Specifications:
- 5-ply, 5.5 mm white wood face (-0.3mm; +0.0mm)
- Master Crate —
- Weight
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General Characteristics:
- Uniform light rotary cut face.
- Hardwood back.
- Voidless solid core.
- No defects or repairs on face.
- Fully repaired and sanded hardwood back.
- BB/CC Grade
- Sanded both side to uniform thickness.
- Low Formaldehyde Emission (LFE), exterior glue. EPA compliant.
- All sheet faces stamped with “X ” uniformly every (4) inches. No thickness added by markings.
- Dimensionally square within 3/16″ as to length/width (within HPVA standards).
- Moisture is to be 10–12% by weight.