Verified by manufacturer 5 months ago
BTC
Certificate type
Fire rated loft hatch range, meets Part L building regulations. Hinged, drop down loft hatch with insulated door. Meets NHBC guidelines for minimum clear opening. Fire tested for ceiling use.
For residential applications. Suitable for ceiling use.
SD Hinge Down Steel 60-Minute Fire Rated Loft Access Hatch is manufactured from white powder-coated Zintec steel with a smooth finish. It requires no painting and protrudes a mere 8 mm into the ceiling space.
The loft access hatch is insulated with an exposed fire-resistant mineral slab insulation, complying with building regulations and guaranteeing efficient thermal performance.
The loft access door has a tri-drive budget lock with an integral chamfer, ensuring a smooth closing action. For enhanced security, a lockable version with a secure radial pin tumbler (SDL) is also available.
To maintain an airtight seal and prevent warm air leakage and vapour ingress, the loft panel is fully draught sealed between the door and frame. Additionally, this feature facilitates easy decoration of the ceiling up to the edge of the loft access trap frame.
Features and benefits:
Color | White |
Finish | Powder-coated |
Material | Steel |
Shape | Rectangle Square |
Length | 550 mm 755 mm 800 mm 600 mm 900 mm |
Width | 550 mm 555 mm 600 mm 900 mm |
Height | 65 mm |
Warranty description | Two year |
Uniclass | |
CAWS | L20/60 Doors L20/630 Hatches |
Fire performance | |
Fire resistance | 60 minutes to BS EN 1634-1:2008 and BS EN 1364-2:1999. |
Position | Ceiling-mounted. |
Size | 550 x 550 mm.Guidance for specification option: Structural opening: 555 x 555 mm; Overall size including frame: 600 x 600 mm. 555 x 800 mm.Guidance for specification option: Structural opening: 560 x 805 mm; Overall size including frame: 605 x 850 mm. 555 x 755 mm.Guidance for specification option: Note actual hatch size is 536 x 736 mm to fit a ceiling cut out of 555 x 755 mm when lined with 9.5 mm fireboard. Other sizes do not need lining with fireboard. Overall size including frame: 586 x 786 mm. 600 x 600 mm.Guidance for specification option: Structural opening: 605 x 605 mm; Overall size including frame: 650 x 650 mm. 600 x 900 mm.Guidance for specification option: Structural opening: 605 x 905 mm; Overall size including frame: 650 x 950 mm. 900 x 600 mm.Guidance for specification option: Structural opening: 905 x 605 mm; Overall size including frame: 950 x 650 mm. Manufacturer guidanceWhen the drop-down loft door is opened, the 555 x 755 mm and 600 x 600 mm options provide a minimum clear opening that complies with building regulations and NHBC regulations as outlined in Chapter 7.2 Section D14, ensuring a minimum clear opening of 520 mm in any direction. |
Frame | Exposed picture frame type.Guidance for specification option: 25 mm on all sides. |
Panel | |
Material | Steel. |
Integral finish | Powder-coated, white (RAL 9010).Guidance for specification option: With 20% gloss. |
Latch or lock type | Tri-drive lock.Guidance for specification option: A budget lock with an integral chamfer. Key lock.Guidance for specification option: A radial pin tumbler (SDL). |
Operation | Swing-down. |
Integral accessories | Weatherstrips to frame. |
U-value | 0.32 W/m²K. |
Insulation | Mineral wool. |
Contains Red List materials | No |
Country of material origin | United Kingdom |
Country of product manufacture | United Kingdom |
Recyclability | 100% |
Recycled contentAs defined in clause 7.8 of BS EN ISO 14021 | 40 % |
Platform | Compatible | Version |
---|---|---|
- | 1 |
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