Whether winter is hot on your heels or you’re experiencing an unexpectedly chilly June day, a fire sprinkler installation in cold temperatures can be a challenge, whatever material you’re using.
The BlazeMaster® Fire Protection Systems team receive numerous queries as to appropriate temperatures, circumstances and factors that may affect BlazeMaster fire sprinkler system installations in cold weather. With forecasters stating that the UK facing is facing its coldest winter in five years, installers will need to be fully prepared when facing installations in the chilly weather.
To help guide you through the design and installation processes of BlazeMaster fire sprinkler systems during the cold, read our top tips below.
1 - During the design process
Do: Factor in piping expansion and contraction during temperature changes when designing the placing for a piping system. A drop in temperature will cause the piping to contract which must be addressed with proper system design.
The coefficient of linear expansion for CPVC is 6.2 x 10(-5) / ºC, giving rise to an expansion of 6.2mm for a 10ºC temperature increase in a 10 metre length.
Don’t: Plan out the design installation area, as well as spacing between piping, before considering how cold temperatures will contract BlazeMaster fire sprinkler piping. BlazeMaster pipes and fittings must never be installed in combustible concealed spaces requiring sprinklers, as referenced in NFPA 13.
2 - Handling and cutting procedures
Do: Make sure you store BlazeMaster pipes and fittings in warmer temperatures. We also recommend checking the material for cracks or gouges prior to installation. Special care and attention to detail should also be exercised during installation, as improper handling during low temperatures (below 4°C) can result in damage.
Don’t: Use a standard ratchet cutter during the cutting procedure if the temperature is below 10°C. Ratchet cutters put pressure on the pipe and in cold temperatures create the added risk of the pipe cracking. A ratchet cutter, however, is a fine tool during installations at normal temperatures.
Using a fine-toothed saw or wheel cutter are alternatives in cold weather. If you require more information on handling and understanding the cutting process for BlazeMaster CPVC fire sprinkler pipe, watch our walkthrough video:
3 - Joining CPVC piping in cold weather
Do: Allow solvent cement to set for extra time during colder temperatures. When applying solvent cement to pipes and fittings in temperatures below 4°C ensure that the cement has not become ‘gelled’ or lumpy. If the cement has gelled it should not be used.
Take a look at our blog on solvent cement cure times for BlazeMaster CPVC pipes and fittings for more guidance on this topic.
Don’t: For the most efficient joining times, don’t use any other solvent cement than BlazeMaster’s one-step solvent cement. It’s essential that cements and primers aren’t left in cold spaces but are instead left in warmer areas to ensure that they remain fluid. In any temperature, make sure to vigorously shake or stir the cement before use.
Require a helping hand?
Whatever the weather, our dedicated team are on hand to support your installation of BlazeMaster CPVC fire sprinkler systems, from on-site training to advice throughout the installation process.
Remember, not all orange piping is the same: you can learn all about the certificates, approvals and best uses of a BlazeMaster fire sprinkler system for your next installation in our free guide.
Download our guide to BlazeMaster CPVC fire sprinklers and choose the right system with confidence.
