SRP Announce New 0.75BMT 22mm Furring Channel

The SRP strongback ceiling system has long been a strong and cost-effective solution for modern suspended ceiling design. Steel Rollformed Products' 0.55BMT 22mm batten is a simple profile that makes plasterboard fixing easy with its wide face and great spanning capabilities.

The concern amongst some installers is that the 22mm batten in 0.55BMT is less suitable for the greater wind loads on the exterior of buildings when the system is being used to line soffits. This is especially popular in high rise projects above balconies or external spaces. SRP's solution to the greater wind loading and thinner gauge concerns is to offer a 0.75BMT 22mm batten aimed specifically for use where screw pull-out is an issue.

In-house testing shows the standard batten to have a 115kg pull-out force when using bugle head plasterboard screws. In the same testing conditions, the new batten shows a resulting pull-out force of 153kg when using the same spec of screw and torque specs.

The 22mm batten is part of the SRP Strongback ceiling system. Clipfix clips can still be used on the higher BMT batten so there are no extra steps when specifying the system.

SRP still retain their 3-5 day lead time to make ordering and project deadlines as simple as possible.

SRP Ceiling Systems

Steel Rollformed Products

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Steel Rollformed Products' Ceiling Systems are available as Direct Fix, Top Cross Rail or Strongback options.

SRP Ceiling systems are suitable for use for internal ceilings and also external soffits. All SRP Ceiling Systems can be used to provide a base grid to fix GIB plasterboard, and to be the batten system in GIB Plasterboard Systems.

The selection of an SRP systems is determined by space requirements of the plenum vs internal room height.

Direct Fix: provides less room between ceiling structure and plasterboard and is suitable for houses, apartments, and offices where plenum space is not required, combines with 16mm or 28mm Batten
Strongback allows for suspended ceilings are are suitable for commercial spaces where rigidity and plenum space for services is required, combines with 22mm Batten and furring strap. Another option is to use the SRP 35mm Ceiling Batten with SRP Clipfix Clip.
TCR also allows for suspended ceilings and can be used with the 16mm or 28mm batten for use in for larger spaces.
SRP battens can also be used for Wall Strapping — with SRP Adjustable Wall Fix Clips (Please refer SRP Clips Spacing Tables for options).

NZBC Clause B2 — Durability: When installed in accordance with the installation instructions and in dry interior environments, SRP Ceiling Systems will satisfy the requirements of NZBC Clause B2 – Durability. SRP Ceiling Systems are manufactured from galvanised coated steel Z275 conforming to AS/NZS 1397.

NZBC Clause B1
NZBC Clauses C3 — Fire and G6 — Noise Control: SRP Ceiling Systems meet the requirements of specific fire and acoustic systems. Where installed ceilings form part of a specific fire or sound rated system the plasterboard manufacturer’s specification must be followed. Refer to GIB Fire Rated Systems and GIB Noise Control Systems.

SRP galvanised steel products are manufactured to meet the requirements of NZS 3404 Steel Structures Standard, NZs 404.1 Steel Structures Standard – Materials, Fabrication and Construction and AS/NZS 1397 Steel Sheet and Strip.

Other relevant standards:

NZS 4600 cold-formed Steel Structures
NZS 2785 Suspended Ceilings
NZS 1170 Structural Design Actions

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