Advanced Building Products
Advanced Building Products is proud to introduce our patented non-asphaltic copper thru-wall flashing, Copper Sealtite 2000 and pre-fabricated Cop-R-Corners. Along with our widely specified Mortar Break® mortar deflection, Advanced has earned a solid reputation for providing a high quality waterproofing system at affordable prices.
Fiberweb Products 
Checkmate your moisture problems before they start. Fiberweb has been manufacturing various high quality metal and non-metal flashings and vapor barriers for over six decades. High quality does not mean high cost when you use Fiberweb composite flashings and vapor barriers.
Firestone Building Products Co. 
UltraPly™ TPO and RubberGard™ EPDM QuickSeam™ accessories waterproof and complete the roofing system. Firestone accessories are designed to increase productivity and decrease installation costs while enhancing the performance quality and appearance of the roof. Firestone’s LVOC accessories for both TPO and EPDM provide outstanding performance capabilities that are environmentally friendly and compliant with (OTC) regulations.
Fortifiber Building Systems Group
Fortifiber sets the industry standard for materials that effectively protect windows, doors and other areas of penetration from water intrusion into wall systems. High-performance flashing products for varied climate and jobsite conditions are available in both mechanically attached or self-adhesive formats. For the rigors of a commercial jobsite, FortiFlash 40mil has no equal.
Henry Company 
Blueskin® SA is a self-adhering 40 mil membrane consisting of an SBS rubberized asphalt compound, which is integrally laminated to a blue polyethylene film; specifically designed to be self-adhered to a prepared substrate, providing an air/vapor/water barrier. Blueskin® TWF has a yellow cross-laminated polyethylene (HDPE) film is specifically designed to be used as a thru-wall flashing.
Hohmann & Barnard
Founded in 1933, Hohmann & Barnard is known worldwide for quality fabrication and innovative design of masonry anchor and reinforcement systems. Our product line includes numerous established anchors and reinforcements, as well as flashings, control joints & air barriers. Hohmann & Barnard is committed to enhancing and promoting the benefits of environmentally sound, masonry wall construction.
MFM Building Products Corp.
A wide range of window and door flashing tapes under the brand
name, WindowWrap™. These patented, self-adhesive, self-sealing waterproofing
tapes prevent water, air, noise and insect infiltration. This versatile product
range includes flashing tapes for cold weather, curved openings and sealing
building seam applications. WindowWrap™ eliminates leaks and drafts while
improving energy efficiencies.
W. R. Meadows 
AIR-SHIELD™ THRU-WALL FLASHING from W. R. MEADOWS is a self-adhering, flexible membrane flashing. It is a roll-type product that is nominally 40 mils thick. AIR-SHIELD THRU-WALL FLASHING is a concealed flashing for masonry concrete, wood/steel frames and roofing applications – door and window lintels, sills, spandrel beams, caps and parapets.
Nervastral LLC
Nervastral, LLC has pioneered the use of plastic thru-wall flashing for over 60 years using their registered trademark of Nervastral. Our MSDS and spec sheets are available on our website.
Polyguard Products
We began with Polyguard 650 membrane waterproofing, a product which by the mid 1990's was specified worldwide for foundations and plaza deck protection. In the 1980's we moved above grade, protecting the building envelope with products for roofing, walls, flashing, decks, and tile underlayments.
Quickflash Weatherproofing Products
Quickflash products offer a significant improvement over the current method of caulking sub-exterior electrical, plumbing, and HVAC vertical wall penetrations. Breakdowns in caulking and reliance on proper caulking of penetrations is one of the primary sources of water intrusion for new home construction. Our products come with a 10 year limited warranty for water intrusion.
Sandell Manufacturing Company
The permanent solution in moisture protection for the commercial & residential industry.
TRA-Mage
A comprehensive product base for designers and roofers who want roofing accessories that work. Through years of extensive research, we have engineered products for venting ridges and eaves, flashing walls, and trim-junctions for tile roofs. Our flashing products include: Full metal (copper and aluminum) hip and ridge flashing, head wall flashing, and counter flashing.
York Manufacturing
Multi-Flash 500™ non-asphaltic copper fabric flashing eliminates the requirement for drip edges and Flash-Vent™ copper fabric flashing, with its integral drainage plane, eliminates the requirement for both drip edges and mortar collection devices. These copper thru-wall flashings offer the uncommon combination of being both the high quality component and the low cost solution.
4specs Discussion Forum - Great place to ask questions about specifications, products and technical data. Free - no registration required to read or post (subject to moderation).
See also:
07 1300 - Sheet Waterproofing
07 2500 - Weather Barriers - for flashing related to air barriers around windows and doors
Advanced Building Products
Advanced Building Products is proud to introduce our patented non-asphaltic copper thru-wall flashing, Copper Sealtite 2000 and pre-fabricated Cop-R-Corners. Along with our widely specified Mortar Break® mortar deflection, Advanced has earned a solid reputation for providing a high quality waterproofing system at affordable prices.
Fiberweb Products
Checkmate your moisture problems before they start. Fiberweb has been manufacturing various high quality metal and non-metal flashings and vapor barriers for over six decades. High quality does not mean high cost when you use Fiberweb composite flashings and vapor barriers.
Firestone Building Products Co.
UltraPly™ TPO and RubberGard™ EPDM QuickSeam™ accessories waterproof and complete the roofing system. Firestone accessories are designed to increase productivity and decrease installation costs while enhancing the performance quality and appearance of the roof. Firestone’s LVOC accessories for both TPO and EPDM provide outstanding performance capabilities that are environmentally friendly and compliant with (OTC) regulations.
Fortifiber Building Systems Group
Fortifiber sets the industry standard for materials that effectively protect windows, doors and other areas of penetration from water intrusion into wall systems. High-performance flashing products for varied climate and jobsite conditions are available in both mechanically attached or self-adhesive formats. For the rigors of a commercial jobsite, FortiFlash 40mil has no equal.
Henry Company
Blueskin® SA is a self-adhering 40 mil membrane consisting of an SBS rubberized asphalt compound, which is integrally laminated to a blue polyethylene film; specifically designed to be self-adhered to a prepared substrate, providing an air/vapor/water barrier. Blueskin® TWF has a yellow cross-laminated polyethylene (HDPE) film is specifically designed to be used as a thru-wall flashing.
Hohmann & Barnard
Founded in 1933, Hohmann & Barnard is known worldwide for quality fabrication and innovative design of masonry anchor and reinforcement systems. Our product line includes numerous established anchors and reinforcements, as well as flashings, control joints & air barriers. Hohmann & Barnard is committed to enhancing and promoting the benefits of environmentally sound, masonry wall construction.
W. R. Meadows
AIR-SHIELD™ THRU-WALL FLASHING from W. R. MEADOWS is a self-adhering, flexible membrane flashing. It is a roll-type product that is nominally 40 mils thick. AIR-SHIELD THRU-WALL FLASHING is a concealed flashing for masonry concrete, wood/steel frames and roofing applications – door and window lintels, sills, spandrel beams, caps and parapets.
MFM Building Products Corp.
A wide range of window and door flashing tapes under the brand
name, WindowWrap™. These patented, self-adhesive, self-sealing waterproofing
tapes prevent water, air, noise and insect infiltration. This versatile product
range includes flashing tapes for cold weather, curved openings and sealing
building seam applications. WindowWrap™ eliminates leaks and drafts while
improving energy efficiencies.
Nervastral LLC
Nervastral, LLC has pioneered the use of plastic thru-wall flashing for over 60 years using their registered trademark of Nervastral. Our MSDS and spec sheets are available on our website.
Polyguard Products
We began with Polyguard 650 membrane waterproofing, a product which by the mid 1990's was specified worldwide for foundations and plaza deck protection. In the 1980's we moved above grade, protecting the building envelope with products for roofing, walls, flashing, decks, and tile underlayments.
Quickflash Weatherproofing Products
Quickflash products offer a significant improvement over the current method of caulking sub-exterior electrical, plumbing, and HVAC vertical wall penetrations. Breakdowns in caulking and reliance on proper caulking of penetrations is one of the primary sources of water intrusion for new home construction. Our products come with a 10 year limited warranty for water intrusion.
Sandell Manufacturing Company
The permanent solution in moisture protection for the commercial & residential industry.
TRA-Mage
A comprehensive product base for designers and roofers who want roofing accessories that work. Through years of extensive research, we have engineered products for venting ridges and eaves, flashing walls, and trim-junctions for tile roofs. Our flashing products include: Full metal (copper and aluminum) hip and ridge flashing, head wall flashing, and counter flashing.
York Manufacturing
Multi-Flash 500™ non-asphaltic copper fabric flashing eliminates the requirement for drip edges and Flash-Vent™ copper fabric flashing, with its integral drainage plane, eliminates the requirement for both drip edges and mortar collection devices. These copper thru-wall flashings offer the uncommon combination of being both the high quality component and the low cost solution.