Cellulose insulation improves airtightness by 30% — PYC Systems

In October 2015, PYC Systems carried out the first of several air tests at the Hilltop project in Richard’s Castle on the Hertfordshire— Shropshire border, Architype’s first small scale residential passive house project. The first blower door test result was 0.59 air changes per hour (ACH), prior to insulating the envelope, which everyone was keen to improve on as it only marginally passed the passive house standard and was prior to fitting services, which are known to increase the risk of air leaks. 

Ecological launches thermal bridging solution

Ecological Building Systems has extended its innovative range of thermal solutions to include Bosig Phonotherm 200, a compressive resistant thermal insulation. Bosig, the manufacturer of Phonotherm 200 was founded in Germany over 35 years ago. 

Screed standards key to preventing failures, advise Smet

Smet Building Products has advised those specifying floor screed to avoid product failure, particularly in heated screeds, by ensuring their choice of products meets the right standards. “Historically, floor screed failures have regularly resulted from the interaction of heated screed constructions with a wide range of coverings. Failure by the contractor to check on residual moisture and consequent installation of coverings on an overly wet screed may have serious implications for the durability and longevity of the flooring,” said Joris Smet of Smet Building Products

Reavey launches new airtight folding stairs

Folding attic stairs are a common addition to many homes in Ireland but, like any product that requires cutting a larger aperture in the building fabric, it has the potential to leak air like a sieve. 

New timber framer specialises in passive & ecological building

A Galway-based timber frame construction firm established last year that specialises in passive house has committed to using 100 per cent ecological building materials and advanced technologies to keep its environmental footprint to a minimum. 

Internorm reveals two new low energy window options

Austrian low energy window specialist Internorm has launched two new products: a range of timber alu-clad windows and the company’s first outward opening window, Irish Internorm distributor Ultimate Joinery has revealed. 

Autarco launches made-in-Europe microinverter

PV specialist Autarco has developed a microinverter which, it says, outperforms traditional inverters in terms of yield per module, flexibility, safety and reliability. It combines “ultra-reliable components with a distributed architecture that makes for a more resilient power plant”, according to Autarco sales director Lloyd Lawson