About Us

Sash Windows is a family-run business located on Balthane Industrial Estate, Ballasalla in the Isle of Man.

We have over 35 years of experience in the industry and our team is dedicated to providing high-quality products and excellent customer service.

We primarily supply to trade & DIY customers, however we welcome all enquires, to assess what work is involved and pass your details on to our recommended builders and installers.

Ultimately 'Sash Windows' began trading as manufacturers of Rehau Heritage UPVC sliding sash windows, Rehau Casements and UPVC Doors. Over the years we have expanded our business along with our variety of products, we are now proud suppliers of Composite RockDoors, Aluminium Bi-Folding Doors, Sliding Patio Doors & Lantern Roofs along with much more.

Please do not hesitate to get in touch with any queries and hopefully we can supply you with your next project.

Showcase the best your property has to offer by highlighting one of your accommodations. Add a flattering photo, then describe the room's best feature.

Composite Rockdoor

We are proud suppliers of Rockdoor, composite doors that are a 'cut above the rest', both in terms of style & security.

The vast collection of composite doors are thoughtfully designed to suit many different tastes and property styles.

We recommend following the link below to create your own unique door using Rockdoor's online design portal.

Rehau Chamfered 706

Available in White, Mahogany, Rosewood, Light Oak, Anthracite Grey & Black/Brown laminated foil.

Stylishly designed with a chamfered detail with matching single leg beads to provide easy but secure on-site glazing. The system is suitable for both New Build and Refurbishment projects.

• 70mm depth allows for the replacement of 3" timber frames with less trimming up.
  
• Noise reduction. The double-glazed sealed units considerably reduce outdoor noise levels.
  
• Security enhanced and approved to the British Standard BS7950 and PAS 23/24 security standards. The multi-internal chambers allow further installation of larger steel reinforcements, if required for additional strength.
  
• Low maintenance.
  
• Energy efficient, excellent thermal properties and achieves a "A rating", the highest possible Window Energy Rating (WER) for thermal efficiency.
  
• Complies with Part L Building Regulations, providing the correct glazing unit is used. This requirement is an overall U-Value of 1.6 W/m2K.
  
• U-Values of 0.8 W/m2K can also be achieved using triple glazed Argon sealed units. This means that the systems are suitable for Passivhaus - currently the most energy efficient specification for a building throughout Europe.
  
• Low threshold option available on doors to accommodate wheelchair access and comply with building regulations.
  
• This system also accommodates run through sash horns and Georgian bar.
  

.

Visofold 1000

Visofold 1000 Bifolding doors can be used as an alternative to sliding patio doors to open up a space completely.

All Visofold profiles feature a polyamide thermal break that enhances the thermal performance of the profile and improves the overall U-Value. Profiles feature EPDM high quality gaskets and weather brushes to aid weather resistance. Visofold complies with the requirements of Building Regulations Document L 2010. Security is assured by multi-point lock mechanisms on main opening sashes, and shoot-bolt locking on floating mullions.

Rehau Heritage Sliding Sash

The REHAU Heritage Vertical Slider provides opportunity for both replacement and new build markets, this window system has been developed following extensive consultation with conservation bodies and housing associations.

• Traditional design details and sight-lines of a timber box sash window with all the benefits of UPVC.
  
• Triple chambered profiles ensure very good thermal installation, achieving a Grade A Window Energy Rating (WER), using standard components and without the need for thermal inserts.
  
• Kitemark accredited extruded profiles produced in accordance with BS EN12608:2003.
  
• Approved BS 7950:1997 (2007) security standards.
  
• Compliant with Part L Building Regulations.
  
• Triple brush seals for superior draught proofing.