- Lap-felled seams for maximum strength and waterproofing
- Lap-felled seams are much stronger and more waterproof than externally bound roof line seams
- Seams are heat-taped on the underside to ensure waterproofing
- Velcro is sewn continuously along the bottom border of the valance. The walls can be attached with an even stronger attachment. The walls then look straight and secure.This can be particularly important in wet weather