Sliding Sash Windows

Howarth Windows & Doors has combined traditional styles with modern production techniques to produce a superior quality sliding sash window, which incorporates a tilt facility on both sashes for easy cleaning.

Quality laminated Redwood Nordic Pine construction.

Supplied fully finished.

Can also be supplied to Secured by Design standard.

Manufactured from FSC accredited timber on request.

Full chain of custody available.

Extensive guarantees for long-lasting peace of mind.

Dual-sprung balances for ease of operation.

BFRC B to D Rated.

Low U Values to 1.4 W/m2K.

BRE Green Guide A+ Rated.

The Howarth Sliding Sash range can now be supplied with up to a BFRC ‘B’ rating for thermal performance. This reduces the amount of energy used for heating, thus reducing the environmental impact. In addition the Howarth Sliding Sash range also earns an A+ rating from the BRE Green Guide for environmental performance. Visually co-ordinating with the doorframe and other Howarth window ranges, Howarth’s Sliding Sash window is a popular choice where public planning requirements call for new windows to match local architectural style.

Tests independently verified by the British Woodworking Federation assess the window as achieving compliance with the British and European Standards shown below. Sliding Sash windows are manufactured to meet the following British and European Standards. Howarth’s Sliding Sash window incorporates a dual spring balance operating mechanism for ease of operation. This system requires less effort to lift the sashes compared to other traditional cord or spiral balance systems.

As with all Howarth timber windows and doors, the Sliding Sash range is manufactured and inspected to BS644:2003 under the strict guidelines set out by the British Woodworking Federation’s Timber Window Accreditation Scheme, which is now inspected under the BSI Kitemark scheme, ensuring that clients receive the best quality products and the highest levels of performance.