Its unique construction is highly compressible, but has a closed cell outer skin to resist moisture. Particularly suited for specialty applications where standard backer rods are not appropriate, FillPro Soft Type is ideal in irregular joint applications particularly where self-leveling, flowable sealants are employed. Also recommended with sealants where bubbling concerns are critical. An excellent all-purpose backer rod, it may be used in place of most standard backer rod applications.
The material will not stain, or adversely adhere to sealant or caulking materials. Products Menu Backer Rods. Soft Backer Rod. Pipe Insulation. Polyethylene Foam. User Comments No comments yet Site Map: Home. Products: Backer Rods. Contacts: 31 Malcolm Rd. All rights reserved. Privacy Policy. It is much more robust which can make installation more challenging when compressing the backer rod into joints.
This backer rod should be installed carefully because if it is punctured and then sealant installed directly over top a void is created.
That void, filled with air, will then expand as it is heated through typical day to day temperatures and sunlight causing unsightly bubbles. This is commonly referred to as outgassing. The hybrid style backer rod is easy to install with the internal open cell structure it can compress easily. As mentioned previously each backer rod has its own niche that it excels in and this information should be considered when selecting your backer rod for you next sealant project.
His past experience as a Technical Application Specialist has given him a strong foundation in building material science which he uses to develop and execute on test strategies and customer events.
Subscribe to blog posts. Posted by Dante Marimpietri. Backer Rod Types and Installation. The backer rod acts as a bond breaker, preventing what is commonly referred to as three sided adhesion. This is when the sealant is adhered to the bottom and both sides of the joint.
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