Our extended range of products offer you a wide selection of unique features, just click on each model for more detailed information on dimensions, materials and accessories that are available.
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A DOLLE loft ladder has the market leading U-value and our timber loft ladders are tested as a building component just like doors and windows. The lower u-value, the lower heat loss and with DOLLE you can get the certificate on our tested U-values.
With the DOLLE clickFIX® loft ladders we have set new standards. You have the security that you will have no thermal bridges from the loft ladder, because the trapdoor consists solely of high-insulating material with no wooden construction. The unique sealing also ensures airtightness allowing us to achieve excellent heat insulation for your home.
The unique sealing system in DOLLE's loft ladders is important as it protects against draft and heat loss. We have developed a sealing system that ensures the gap between the trapdoor and the frame is tight preventing draft and heat loss. Our loft ladders have been tested at IFT Rosenheim according to the highest airtight class 4 - EN 12207 standard.
Before launching a new loft ladder, we always test our loft ladders thoroughly to ensure that all our loft ladders meet legal requirements, industry standards and guidelines as well as our own high-quality demands. Our loft ladders are subjected to many different types of tests including insulation capacity, U-value and airtightness to EN 12207. We test the loft ladders strength, repetition testing on closing mechanisms and hinges as well as tensile testing according to EN 14975. Our loft ladders are approved up to 150 kg, but we test up to 265 kg.
DOLLE also have a series of fire-resistant loft ladders - REI 45 have been tested according to the new European standard.
REI stands for:
R (resistance) carrying capacity during fire.
E (integrity) ability to keep flames and gases out.
I (insulation) ability to keep warmth out.
The 45 minutes indicates for how long the loft ladder can withstand a fire. Hence the name DOLLE REI 45.
Thanks to the loft ladders low weight and patented assembly technology with click modules our clickFIX® loft ladders can also be easily installed by one person. It's simple: align casing, screw in place, click on the trapdoor and ladder section and adjust to the room height - job done! To ensure a perfectly airtight installation of the loft ladder. A vapour barrier is supplied with this product. This ensures an airtight connection between the loft ladder and the ceiling construction.
The ladder comes with a well-developed spring system making the loft ladder simple and easy to handle! You could call our loft ladders light as a feather. To provide extra comfort and safety, the loft ladder is equipped with deep anti-slip treads and a handrail. It is possible to buy additional handrail to the ladder for support on both sides of the loft ladder! The safe way up.
Danish design and craftmanship are combined with traditional materials. DOLLE loft ladders are manufactured in Denmark under ISO certified systems, our timber is sourced from renewable FSC® certified forests for almost all loft ladders. The loft ladders will be marked with the FSC® logo. We are constantly expanding our product range and are working on technical improvements and innovations: For example, DOLLE pioneered thermal insulation and developed windproof installation solutions for loft ladders. DOLLE since 1951…