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  "markdown": "The Wallcovering Guide · Product facts\n\n# Product facts and corrections\n\nBy [Dorin Burcus](https://www.mrwallcover.com/about/#dorin), founder · Last updated 17 October 2026\n\nWhere the product facts on this site come from, how we keep a maker's documents apart from our own installation experience, and how to report a correction.\n\n[Report a correction](https://www.mrwallcover.com/contact/?intent=advice) [See the work](https://www.mrwallcover.com/projects/)\n\n## The maker’s instruction comes first\n\nThe maker’s current instructions for the exact product come first. Our project accounts describe work we have carried out; they do not replace the maker’s instructions for another product or wall. If the instructions and the proposed wall preparation do not agree, resolve that before ordering or hanging.\n\n## Product references need a source and a date\n\n- For a new product reference, we record the fact as the maker prints it, and link the document it comes from: a data sheet, hanging instructions or the product page.\n- The reference must give the source link and date that document was checked. Makers change their documents, so the date tells you how current our copy is.\n- Where the document is silent, we write “not stated”. We do not fill the gap from another product, another colourway or the brand as a whole.\n\n## Checked twice\n\nNew product and buying-route references are checked against the maker’s own document, then reviewed by a person before they are published.\n\nA reference that has not had that review stays unpublished.\n\n## Words we do not use without a document\n\nWe do not call a product fire-rated, washable or waterproof unless the maker’s own document says so for that exact product, and then we use the maker’s words. A stockist listing proves that a maker lists a seller; it does not by itself prove an authorised, approved or exclusive relationship. Those labels require the maker’s explicit wording.\n\n## Money\n\n- No maker or seller pays to appear on this site, or to be listed higher.\n- There are no affiliate links. Paid placement and commission must not determine inclusion or ordering.\n- Where makers or sellers are listed, the order never depends on payment or commission.\n- We do not show wallpaper prices, because they change. Where a price matters, we link to the seller’s site. The [quantity guide](https://www.mrwallcover.com/advice/quantities/) explains its estimator’s limits; it does not quote installation work.\n\n## Corrections\n\nIf something here is wrong or out of date, tell us which page and what the maker’s document says. Corrections to new references must update the check date. Until a disputed fact is resolved, it should be withheld or clearly marked as unresolved.\n",
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