Underlayment Nails

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Underlayment nails are designed to lay plywood or composition underlayment over existing wooden floors and floor joists. They are also suitable for subfloor installations.

APPROVED VENDOR -

Underlayment Nail 1/4 Inch, 252PK

ModelItemPrice (inc. GST)
106110178AB6LWJ SGD 15.25
APPROVED VENDOR -

Underlayment Nail 13/64 Inch, 536PK

ModelItemPrice (inc. GST)
4NEZ7AD8XDJ SGD 15.25

Underlayment Nails

Underlayment nails are designed to lay plywood or composition underlayment over existing wooden floors and floor joists. They are also suitable for subfloor installations.

Features

  • These nails feature ringed shanks with a flat / slightly countersunk head to provide holding power and a diamond-point tip for easy driving.
  • They have rings around the shank and a large head to help keep them in place.
  • The teeth on the shank keep plywood or subfloor material in place, and the large head ensures that the nail won't pull through the subfloor material.
  • They provide greater gripping force than straight nails.
  • These underlayment nails are available in packs of 252 & 536 pieces.

Frequently Asked Questions

How far apart should underlayment nails be placed?

These nails should be driven over the entire surface plywood sheet, at intervals of 6 to 8 inches.

What should the ideal thickness of underlayment be?

Ideally, the underlayment should be approximately 1/4 to 1/2 inches thick, to provide a flat & smooth surface for the floor.

What strategies ensure the smooth installation of underlayment?

  • In order to prevent workers from scratching and denting the smooth surface, install the underlayment as late in the construction process as possible.
  • The underlayment may have two sides, so It should be installed with the better side up. If it is made of A/C plywood, the 'A' side should be facing upwards.
  • Place the underlayment parallel to the floor joists. Never align the seams of the underlayment with those of the subfloor. Instead, space them apart by at least 2 inches. This improves the floor's stability and lessens the spread of lines through resilient floors.
  • Keep a gap of 1/32 inches at the underlayment edges to accommodate natural swelling.
  • Avoid sitting on hand tools or stepping on loose nails.

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