Certification & qualitySustainableAs a carpentry factory, we care about how we source our wood. The wood we use must meet various requirements, which is why WEBO produces frames from FSC® and PEFC™-certified wood.FSC® certificationFSC®, the Forest Stewardship Council, is an international organisation that was founded in 1993 and that encourages responsible forest management. FSC® sets global standards for forest management, coupled with a quality mark. Please visit our FSC® page.PEFC™ certificationPEFC™ stands for Programme for the Endorsement of Forest Certification. a global non-profit organisation that has no ties to any government. The ultimate goal of PEFC™ is guaranteeing responsible forest management worldwide. Please visit our PEFC™ pageKOMO quality markWEBO is in possession of the following KOMO certificates:Wooden frames, windows and sliding doorsWooden exterior doorsAccoya framesTimber-frame elementsThese products can be delivered with an SGT warranty and FSC® certificate. WEBO is ISO-certified.Please find all our quality marks and certificates in our download centre.