Zinsser Perma-White Interior Matt Anti-Mould Paint (White)
Zinsser Perma-White Interior Matt is a mould resistant interior paint designed for humid rooms like bathrooms, kitchens and utility areas. This zinsser perma white interior matt anti mould paint delivers a clean matt finish that’s built for busy homes and trade jobs alike.
Available in 1L, 2.5L and 5L, it’s a practical choice when you want a hardwearing finish that stands up to moisture, steam and everyday wipe-downs. Choose your size above to get the right amount for your job.
Key benefits
- Mould resistant formula for interior damp/humid areas
- Matt finish for a modern, low-sheen look
- Washable/scrubbable coating for easier maintenance
- Ideal for bathrooms, kitchens and other condensation-prone rooms
- Quick turnaround: touch dry in 30 minutes and recoatable after 2 hours (conditions apply)
- Multi-application: brush, roller, pad, sprayer and airless sprayer
- Great coverage: up to 10 m² per litre (surface dependent)
Best for
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Trade decorators: bathrooms, kitchens, rentals, HMOs and refresh jobs where mould resistance matters
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DIY: repainting humid rooms, freshening ceilings, tackling recurring mould spots (after correct prep)
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Rooms: bathrooms, shower rooms, kitchens, utility rooms, cloakrooms
Why it matters
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Humidity-ready: ideal for rooms that see steam and condensation
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Cleaner looking finish: matt helps reduce glare and hides minor surface texture
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Made to be maintained: washable/scrubbable coating supports ongoing wipe-clean care
Specifications
| Brand |
Zinsser |
| Product |
Perma-White Interior Matt |
| Type |
Interior paint (mould resistant) |
| Colour |
White |
| Finish |
Matt |
| Sizes |
1L / 2.5L / 5L |
| Coverage |
Up to 10 m² per litre (surface dependent) |
| Touch dry |
Approx. 30 minutes (at 20°C / 50% RH) |
| Recoat time |
Approx. 2 hours (conditions apply) |
| Full cure |
7–10 days |
| Application |
Brush, roller, pad, sprayer, airless sprayer |
| VOC |
Very low VOC (refer to product label/SDS) |
Suitable surfaces
- Interior walls and ceilings in humid rooms
- Previously painted surfaces including glossy or solvent-based coatings (prep dependent)
- Drywall/plasterboard, cement block and concrete (prep dependent)
What’s included
- 1 x Zinsser Perma-White Interior Matt (selected size)
How to use (application guide)
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Prep: Ensure the surface is clean, sound and dry. Remove loose/flaking coatings. Treat and remove existing mould using an appropriate mould remover and allow to dry fully.
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Mask & protect: Cover floors and fixtures. Mask edges for sharp lines.
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Mix: Stir thoroughly before use.
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Apply: Use a brush, roller or pad for controlled application. For spraying/airless, use the correct tip, pressure and filtration for your machine and follow sprayer safety guidance. Always do a small test area first.
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Second coat: Apply a second coat when recoatable (typically around 2 hours, depending on conditions).
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Cure: Avoid heavy cleaning until fully cured.
Care & maintenance
- Allow the coating to cure fully before aggressive washing or scrubbing.
- Clean marks using a soft cloth/sponge and mild detergent where needed.
- Reduce future mould risk with good ventilation and regular wipe-downs in high-humidity areas.
Accessories & add-ons
Delivery & returns
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Free delivery over £50 (UK mainland)
- 28-day returns
Why buy from LDM Direct?
- UK stock
- Fast dispatch
- Trade-friendly service
- Independent family owned business
- 16 decorating stores nationwide
Variant selector helper
Choosing a size: 1L is ideal for small touch-ups and compact areas; 2.5L suits most bathrooms and kitchens; 5L is better value for larger rooms or multiple areas. Coverage depends on surface and application method.
Safety data sheet (SDS)
Need the safety information for this product? You can download the Safety Data Sheet here:
Download the Zinsser Perma-White Interior Matt Safety Data Sheet (PDF)
FAQs
Is Zinsser Perma-White Interior Matt suitable for bathrooms and kitchens?
Yes. It’s designed for humid interior spaces such as bathrooms, kitchens and utility rooms where condensation is common.
What finish is Perma-White Interior Matt?
It’s a matt finish, which gives a low-sheen look and helps reduce glare on walls and ceilings.
Which size should I choose: 1L, 2.5L or 5L?
Choose 1L for smaller areas or repairs, 2.5L for typical bathrooms/kitchens, and 5L for larger rooms or multiple areas. Coverage varies by surface and application method.
Can I use this on bathroom ceilings?
Yes. It’s suitable for walls and ceilings in humid rooms. Prep is important—remove existing mould and ensure the surface is clean and dry before painting.
Do I need a primer first?
It depends on the surface condition and what’s already on the wall/ceiling. For difficult, stained or glossy surfaces, correct prep and priming may be needed.
How do I prep mouldy walls before painting?
Kill and remove existing mould using a suitable mould treatment, clean as directed, and let the surface dry fully before painting. Improve ventilation to help prevent recurrence.
How long does it take to dry and when can I recoat?
Drying depends on temperature and humidity. It’s typically touch dry in around 30 minutes and recoatable after about 2 hours under normal conditions.
Is it washable/scrubbable?
Yes, it’s designed as a washable/scrubbable finish for interior maintenance. For best durability, allow full cure before heavy cleaning.
Can I apply Perma-White Interior Matt with an airless sprayer?
Yes, it can be applied by sprayer/airless. Setup (tip size, pressure, filtration and any thinning) depends on your equipment. Follow sprayer safety guidance and test on a small area first.
What else do I need for the job?
Most jobs need a roller and tray/scuttle, a brush for cutting-in, masking tape and surface protection, and abrasives for prep. PPE is recommended—especially if spraying.
Do you stock painting accessories and surface prep supplies?
Yes—see the Accessories & add-ons section for rollers, brushes, trays, masking and prep abrasives.