Standard Loft Hatches

Standard Loft Hatches give access to roof voids.

AT Airtight Loft Hatch

AIRTIGHT | HINGED ACCESS

Airtight at 600Pa air pressure (Positive and negative)
Easy to fit and easy to open with hinge down movement
Neatest loft hatch on the market, protrudes just 2mm from ceiling when fitted
AT35 fits a structural opening of 560 x 640mm (see variations in table below)
AT35 clear opening when fitted 520 x 560mm (Meets NHBC guidelines)

Fabricated from steel, finished in white Powder coat (RAL 9010)
Made from 80% recycled steel. GWP and ODP ratings of zero
2 XPS insulation options giving U values of 0.35 (60mm - Blue) and 0.25 (100mm - Blue)
PIR Foam (100mm) insulation to give U Value of 0.15
Patented granted

Specifications

The AT35 metal loft hatch is the first air tight loft hatch of its kind. Insulated to meet Part L of the building regulations the AT35 is airtight in both positive and negative air pressures at 50Pa.

This hatch is designed specifically to meet the stringent demands new properties are subjected to ensure they are as airtight and well insulated as possible.

The air permeability test is based on BS EN 1026:2000 and BS EN 12207:2000 for a ceiling use only.

This steel loft trap protrudes just 2mm from the ceiling when fitted. You'll also notice its lovely clean lines and smooth finish (Powder-coated in white) it's the neatest loft hatch on the market.

Insulation:
(AT35) 60mm foam insulation bonded to the inside of the lid.
(AT25) 100mm foam insulation bonded to the inside of the lid.
(AT15) 100mm PIR insulation bonded to the inside of the lid.

Locking Options
Standard: Twist lock with a tri-drive lock body (Comes with opening key - Pole also available as separate item) Optional: key lock available (Key supplied) Please note pole not suitable for use with this option

Product dimensions
Fits a ceiling opening of 645x560mm
Clear opening once installed 520x560mm
Frame around lid: 25mm (all sides)
Depth AT35: 60mm AT25/ AT15: 100mm
Protrudes just 2mm from ceiling when fitted
Hinged on the short side

Loft ladder compatibility
The AT Range of loft hatches is compatible with our entire range of residential loft ladders (AL2, AL3, AL3C). For more information on our loft ladders click here