/advice/
Advice & support
Written for a homeowner first, with the technical detail a professional needs underneath. Safety and compatibility guidance carries a review date and a named technical reviewer.
Choosing your film
ArticleWhich window film do I need?A plain-English route to the right film based on the problem you want to solve.Reviewed by WTC Films Technical TeamArticleHow one-way privacy film worksWhy reflective privacy is a daytime effect — and reverses at night.Reviewed by WTC Films Technical TeamArticleGlass compatibility guideWhy glass type matters, and which glazing needs extra care before applying film.Reviewed by WTC Films Technical TeamArticleUnderstanding the performance figuresWhat VLT, TSER, glare, UV, g-value, U-value, reflectance and micron thickness actually mean.Reviewed by WTC Films Technical TeamArticleUV protection & fadingUV is a major cause of fading — but not the only one.Reviewed by WTC Films Technical TeamArticleSafety & security film explainedWhat safety film really does — and what it does not.Reviewed by WTC Films Technical TeamArticlePrivacy film for bathrooms & front doorsFrost and pattern for constant privacy that still lets light in.ArticleConservatory too hot? Your optionsGlass or polycarbonate roof — the film you need differs.Reviewed by WTC Films Technical Team
Measuring & fitting
HowToHow to measure your windowsMeasure each pane accurately and allow a trimming tolerance.HowToHow to fit window filmA wet-application method for a clean, bubble-free finish.ArticleFitting videosShort product-family videos showing wet application and trimming.ArticleTroubleshooting: bubbles, haze & lifting edgesFixes for the common problems during and after fitting.ArticleCleaning & aftercareLet the film cure, then clean it like a normal window.HowToHow to remove window filmPeel, soak and scrape — a straightforward job.