Well, it’s finally here – the hot, sticky summer weather we’ve expected. Your HVAC system is probably working on overdrive to keep you comfortable; maybe it’s time to check and make sure your system is getting the attention it deserves!

We stock a wide variety of sealants, silicones, and threadlockers perfect for installing and repairing HVAC systems, even on the hottest days of the year. HVAC materials are generally thin and lightweight, yet need to be extremely durable – our high-quality adhesives ensure a strong hold without weighing the pipes down or causing cracking.

Bostik 1100 Fast-Set Urethane Sealant/Adhesive

When sealing or adhering HVAC tubing, you need a strong, yet flexible hold. That’s where the Bostik 1100 Fast-Set Urethane Sealant/Adhesive comes into play! This one-part urethane sealant cures by reaction with atmospheric moisture to form a tough, yet flexible seal. It bonds extremely well with woods, metals, FRP, and most plastics.

Thin, brittle HVAC metals require a delicate touch, and this urethane sealant is perfect for applications such as these. Also ideal for automotive repair, the flexibility of this adhesive/sealant is what sets it apart from the rest.

Note: This product may not work properly on some plastics. Please refer to the TDS sheet before use.

Bondaflex Sil 100 Series RTV Silicone

Flexibility is the all-important factor in HVAC adhesives, and our Bondaflex Sil 100 Series is definitely that! Bondaflex 100 Series is a one-component, non-sag, 100% RTV acetoxy silicone sealant, and it is even approved for direct food contact!

This silicone maintains its elastomeric properties up to 450˚F, so no matter where your HVAC system is set up, you can rest assured that your work will hold up! It has superior bond strength to most substrates without priming – the lightning-fast cure time means that parts can be assembled or sealed quickly!

Note: This product may not work properly on some plastics. Please refer to the TDS sheet before use.

ShinEtsu KE45-AL Neutral Cure Adhesive Sealant

If you need an adhesive sealant that acts as an insulator as well, look no further than the ShinEtsu KE45-AL Neutral Cure Adhesive Sealant. This one-component paste-like thixotropic adhesive cures when exposed to moisture in the air into a tough, resistant elastomer. Low-odor and neutral cure, KE45 exhibits excellent unprimed adhesion and worked well for general sealings and electrical insulation.

The strong, paste-like structure of this adhesive forms right in place with no sagging or dripping, and it is ideal for bonding and sealing appliance parts due to its versatility and dissimilar substrate bonding capabilities.

Want to learn more about any of these amazing products? Our representatives are here to help! Give us a call, toll-free, at 1-800-220-1966 or send us an email at [email protected]. We look forward to hearing from you!