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Fire Rated Loft Hatches

Fire Rated Loft Hatches provide added protection.





 SD Fire Rated Loft Hatch 

SD Fire Rated Airtight Loft Hatch

FIRE RATED - ONE WAY | AIRTIGHT ACCESS

  • 1 Hour Fire Rated (UKAS - BS EN 1364-2:2018 and BS EN 1634-2 :1999)
  • Air tested with superb result of 0.76 m³/hr @ 50Pa
  • Designed with a tight perimeter seal for acoustic integrity
  • U-Value of 0.32 W/m²K (Exceeds Part L Building Regulations)
  • Fitted with a hinged door for easy access
  • Standard Powder-coated White Finish
  • 65mm Mineral wool insulation
  • NHBC compliant with minimum 520mm clear opening

UK Made

1 Hour

36dB

Air Tested

0.32




Specifications

The SD Fire Rated Airtight Loft Hatch: an industry-leading, 1-hour fire-rated solution designed for high-compliance environments. It is uniquely distinguished as the only product on the market to be independently UKAS-tested and certified within a full-scale timber joist application.

Triple Performance & Compliance:
• Fire Rating: Certified to provide a 1-Hour Fire Rating from the service void (one-way), essential for maintaining compartmentation integrity in the ceiling line.
• Air Tightness: Engineered and tested to provide industry-leading levels of air tightness, crucial for meeting modern energy efficiency standards.
• Insulation: Features superior insulation levels that deliver exceptional thermal performance, complementing the hatch's airtight design.

Design & Construction:
• Material: Constructed from high-quality steel, ensuring long-term durability and structural reliability.
• Aesthetic: Follows a simple, modern design featuring clean lines, providing a contemporary finish that is built to last.
• Access Type: Hinged access for easy, controlled entry to the loft space.

*Note actual hatch size is 536 x 736mm. Make your ceiling cutout 555 x 755mm and line with 9.5mm plasterboard

   
   Code Structural Opening Required
After Lining The Opening
Clear Opening
(Once Installed)
Depth Weight U-Value
SD-555-755 538x738mm* 520x630mm 68mm 8.5kg 0.32 W/m2k
SD-550-550 555x555mm* 530x480mm 68mm 6.4kg 0.32 W/m2k
SD-555-800 555x805mm* 535x730mm 68mm 9.4kg 0.32 W/m2k
SD-600-600 605x605mm* 580x530mm 68mm 7.1kg 0.32 W/m2k
SD-600-900 605x905mm* 580x828mm 68mm 9.7kg 0.32 W/m2k

*Hinged on the short edge.


NOTE: All Openings Need To Be Lined With 9.5mm Plasterboard.




Modeling

Technical Drawings Content


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Product Downloads

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Certification Documents



Installation Guide


Picture Frame Fitting

BIM Files (Revit, IFC, etc.)





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