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 ...

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 ...

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 ...