Innovations and patents

• Insulating roofing system for flat roofs
• Locating roof leaks in flat roofs
• Flat roof structure
• Roof - solar collector
• Roof for useful for collection of solar energy
• Roofing of plastic sheet
• Method and system for covering flat roofs
• Flat-roof roofing with tapered corrugated sheet
• Elevatable sliding roof of flat design
• Machine for removing and loading a flat roof
• Replacement flat roof insulation cover
• Flat roof auxiliary drain system
• Plant carriers for sealed flat roofs
• Ladder support for flat-roofed building
• Non-ponding flat roof edging
• Emergency flat roof repair method
• Positively vented flat roof system
• Method of ballasting roof covering layers on substantially flat roof surfaces
• Roof and roof board material
• Method of ballasting roof covering layers on substantially flat roof surfaces
• Adaptable safety rail system for flat roofs and parapets
• Roofing plate, and roofing method
• System for forming a sloped surface on a flat roof deck
• Roof plate for longitudinal roofing
• Openable roof
• Double-level drainage system for flat roofs
• Attachment assembly for use on flat roofs
• Roofing system and roofing shingles
• Float glass forming chamber with a flat slab roof
• Roofing clip for metal roofing
• Double roofing roof structure
• Roof panel for sloped roofs
• Roof drain
• Roofing system and roofing tile
• Roof structure and roof board
• Flat style roof drainage system and low point column head
• Roof vent
• Roofing composite