North American prices for PVC and polypropylene resin have started off 2014 with a bang, with prices of both materials climbing since Jan. 1. Regional prices for suspension PVC are up an average of 3 ...

North American PVC resin prices saw a small increase in September, with regional polypropylene prices down slightly and prices for all other commodity resins flat for the month. Suspension PVC prices ...

Residential gas-fired equipment is changing and so are the related codes. As efficiencies and energy factors creep up — whether organically or because of regulation — the installation processes and ...