Expert guides, installation tips, product spotlights, and industry insights. Practical knowledge for installers, specifiers, and building professionals.
115 articles
Showing all 115 articles
Practical guidance on PVC-U gutter expansion gaps, bracket spacing and joint installation in hot weather, including how to prevent buckling, popped joints and leaks.
Rainwater & Guttering Read more
Kalsi Plastics has been awarded official Made in Britain accreditation, independently verifying that our building product ranges are genuinely manufactured here in the UK.
Company News Read more
The correct order for a property refurbishment covering roofline, rainwater, external cladding, drainage, and water supply. A practical guide for builders and homeowners.
MDPE & General Read more
How much does PVC expand in heat? Learn about thermal expansion in PVC-U building products, how to calculate expansion gaps, and why they are critical for roofline and guttering.
MDPE & General Read more
Avoid the most common PVC guttering and roofline installation mistakes. Practical advice for installers covering falls, expansion gaps, fixings, and sealing.
MDPE & General Read more
Should you buy PVC building products from a builders' merchant or direct from the manufacturer? Compare availability, pricing, support, and service for your project.
MDPE & General Read more
A specifier's guide to selecting PVC-U and MDPE building products. Covers rainwater, drainage, roofline, and cladding — with standards, sizing, and certification guidance.
MDPE & General Read more
Can PVC building products be recycled? Learn about PVC recycling in UK construction, recycled content in manufacturing, and the sustainability credentials of modern PVC-U.
MDPE & General Read more
What does Kitemark certification mean for plastic building products? Learn how BSI Kitemark works, why it matters, and how it differs from other certifications.
MDPE & General Read more
What is PVC-U and why is it the preferred material for building products? Learn about its properties, applications, and advantages over timber and metal alternatives.
MDPE & General Read more
Why choosing British-made plastic building products matters. Covers quality standards, supply chain reliability, sustainability, and the advantages of UK manufacturing.
MDPE & General Read more
Everything you need to know about connecting to the water mains in the UK — process, responsibilities, pipe specifications, and regulatory requirements.
MDPE & General Read more
Learn the correct burial depth for MDPE water pipe in the UK. Covers minimum cover, frost protection, Building Regulations, and WRAS compliance.
MDPE & General Read more
Understand the difference between blue and black MDPE pipe in the UK. Covers colour coding, applications, pressure ratings, and WRAS compliance.
MDPE & General Read more
Step-by-step guide to joining MDPE water pipe using compression fittings. Covers tools, technique, pipe preparation, and common mistakes to avoid.
MDPE & General Read more
Choose the right MDPE pipe size for your UK water supply project. Covers 20mm to 63mm dimensions, pressure ratings, flow rates, and WRAS requirements.
MDPE & General Read more
What slatted cladding is, how it works, and how to use it for contemporary exterior design on homes, garden rooms, and commercial buildings.
External Cladding Read more
How to choose external cladding for a house extension that complements your existing property. Material options, colour matching, and design strategies.
External Cladding Read moreShowing 18 of 115 articles
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