High-Performance Thermally Broken Windows – Casement Supplied & Fitted by LHL Installations in Braintree & Essex  

At LHL Installations, we offer premium thermally broken windows, expertly designed for superior insulation, security, and durability. With a 32mm thermal break zone and a U-value as low as 1.0 W/m²K, our energy-efficient windows help reduce heat loss, lower energy bills, and enhance home comfort. Fully PAS 24 certified, they meet the highest British security standards, making them an ideal choice for homeowners across Braintree and Essex.  

Window Features & Options:  

✔ Outward-opening designs – available as side-hung or top-hung  

✔ Security hardware options for enhanced protection  

✔ Concealed hinges for a sleek, modern finish  

✔ Glazing thickness from 23mm to 44mm, offering excellent thermal and sound insulation  

Technical Specifications:  

- Frame & Sash Sections: 70mm  

- Profile Thickness: 1.6mm  

- Polyamide Strip Length: 32mm  

Maximum Sash Dimensions:  

Slim Sash:  

- Side-hung: Width 950mm, Height 1,300mm  

- Top-hung: Width 1,200mm, Height 1,300mm  

Heavy-Duty Sash:  

- Side-hung: Width 750mm, Height 1,750mm  

- Top-hung: Width 1,800mm, Height 1,800mm  

Maximum Sash Weight:  

- Side-hung Slim Sash: 35kg  

- Top-hung Slim Sash: 50kg  

- Side-hung Heavy-Duty Sash: 42kg  

- Top-hung Heavy-Duty Sash: 100kg  

(Custom weight and dimension configurations available – please enquire.)  

Finishing Options:  

✔ Dual-colour systems for a personalised style  

✔ Colour powder coating – available in RAL, mottled, and rough finishes  

✔ Wood-effect powder coating for a traditional look  

✔ Anti-bacterial powder coating for enhanced hygiene  

✔ Anodised finish for long-lasting durability  

Our thermally broken windows offer a perfect blend of efficiency, security, and modern design, making them ideal for both residential and commercial projects.  

For expert advice and a free quote, contact LHL Installations today – your trusted specialists for high-quality windows in Braintree and Essex.