Home > Companies > Timloc Building Products > 1168 Drop-In Loft Access Doors

Rectangular loft access door and frame with drop in and push up access operation for simple easy access through a ceiling into the loft space. Standard and higher insulated (U-value: 0.35 and 0.25 W/m²K) loft door range.


  • Residential new build installations.
  • Product replacement projects.


  • Quick and straight forward installation and operation.
  • Designed to fit between standard 38 mm thick trussed rafters or ceiling joists spaced at 600 mm centres.
  • Provides a clear opening size of 526 x 626 mm (which satisfies NHBC requirements).
  • Maintenance free - allows for painting if required.
  • Anti-draught, vapour and condensation migration seal system.
  • Tested and certified by BRE.
  • Ideal for Part L applications.
  • Truly clean design to blend with most surrounding decors.
  • Simple two twist operated catches to secure the door panel and prevent uplift.
  • Drop-in (and push up) door design is ideal for applications where floor space is premium.
  • Not suitable for use with telescopic loft ladders.

Related literature

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Standard product features


  • Joist opening size required – 562 x 662 mm.
  • Clear opening size – 526 x 626 mm.
  • Overall product dimensions (including frame) – 670 x 770 mm.


RAL 9010, white.


CFC free low lambda expanded polystyrene.


<10m³/(h.m²) at a pressure differential of 50 Pa.

Closing mechanism:

Anti-uplift simple twist catches.

NBS Specification

NBS Create logo
This product is associated with the following NBS Create clause:
45-25-28/420 Floor hatches

NBS Specification

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This product is associated with the following NBS clauses:

Product specification

An important note about specifying



Timloc Building Products


+44 (0)1405 765567

Product reference

U-value: 0.82 W/m²K.
U-value 0.35 W/m²K.
U-value 0.25 W/m²K.

Manufacturer details

Timloc House,
Ozone Park,
East Yorkshire, DN14 6UQ
Tel +44 (0)1405 765567
Fax +44 (0)1405 720479
NBS Plus
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