Quick answer: In an HDB flat, keep leather in the master bedroom wardrobe, on the side furthest from the bathroom. Never use the household shelter (the bomb shelter) or the storeroom. Put two Anti-Mould Patches in every dust bag and replace them every 2 months, and add an AirGuard+ No-Mould Diffuser to the wardrobe itself.
Why is leather harder to protect in an HDB flat?
Space is the obvious problem. Bags share a built in wardrobe with clothes, and there's no dressing room to spread out into. The less obvious problem is the building itself.
HDB walls are thick concrete, which soaks up humidity on wet days and releases it slowly back into the room. Bathrooms often share a wall with a bedroom. Most rooms have windows on one or two walls only, so air rarely moves straight through, and storerooms usually have no window at all. Put that together with Singapore's 80% humidity and you get wardrobes that never fully dry out.
Can you store leather bags in the HDB bomb shelter?
No. It's the worst room in the flat for leather. The household shelter is a sealed concrete room with no windows, no airflow and no air conditioning, so damp air goes in and stays. A bag left in there for a couple of months is the classic way people find white bloom across a whole collection at once.
Doubling up on patches won't save a bag in a room that never dries out. Use the shelter for things that don't mind damp, such as tools and supplies in sealed plastic boxes, and keep leather where you live.
Which room in an HDB flat is best for leather?
- Master bedroom wardrobe. It's usually the largest wardrobe, the air conditioning runs there most often, and you open it every day, so you'll smell a problem before you see it. Keep your most valuable bags here.
- Living room cabinets, if your flat has them. The air conditioning is often on when the family is home, and these cabinets get opened regularly.
- Common bedrooms. Fine with extra care, since the air conditioning runs less. Use these for bags you carry less often, and check them more often.
- Storeroom, service yard and shelter. Don't. Wet laundry, no windows and no airflow make all three a bad bet for leather.
What if your wardrobe shares a wall with the bathroom?
Steam from the shower works its way through the concrete into that side of the wardrobe. Hang clothes on the bathroom side and keep bags on the opposite side. If the wardrobe is too small to separate them, add a third patch to each bag on the bathroom side.
How do you fit more bags into a built in wardrobe?
Go up, not across. HDB built in wardrobes are tall, and most people waste the space above the hanging rail by stacking bags flat until the bottom ones get crushed.
- Use shelf dividers on the top shelf so bags stand upright in their dust bags. Put seasonal and occasion bags up here.
- Shorten the hanging rail on one side. Shirts and jackets don't need full height, and the space underneath fits a stack of clear shoe boxes.
- Label each shoe box or dust bag so you can find things without opening everything.
- Hooks on the back of the wardrobe door hold daily bags without using any shelf space.
- Under the bed is a last resort. Floor level is the dampest part of a room, so check anything stored there every 2 weeks.
How many Anti-Mould Patches do you need in an HDB flat?
Two per dust bag or shoe box, replaced every 2 months. Write the date on the dust bag label so you don't have to remember it. Ground floor units and units with windows on only one side run damper, so check those wardrobes more often.
Anti-Mould Patches protect individual items. The AirGuard+ No-Mould Diffuser protects the space around them, which is the wardrobe, the shoe cabinet or a small bedroom. In an HDB flat, where the wardrobe itself is the damp spot, you want both.
A simple routine that keeps HDB wardrobes mould free
- Every week, open the wardrobe doors for 15 to 30 minutes and let the air move.
- Every month, look at and smell every bag. A musty smell comes before visible mould.
- Every 2 months, replace the patches.
- Every few months, clean each bag with No-Mould Leather Cleaner and condition it with Leather Care.
Frequently asked questions
Is the bomb shelter a good place to store leather bags?
No. The HDB household shelter is sealed, windowless and has no air conditioning, so humidity stays high all the time. It's the room where leather is most likely to grow mould.
Is air conditioning enough to stop mould in an HDB wardrobe?
It helps while it runs, but humidity climbs back as soon as it's off, which is most of the working day. Inside a closed wardrobe the air barely changes at all. Patches in the dust bags and an AirGuard+ in the wardrobe keep working when the air conditioning doesn't.
Will a dehumidifier protect my leather bags?
A dehumidifier pulls water out of the room, but it has to run constantly, takes up floor space most HDB bedrooms don't have, and does nothing inside a closed dust bag. Patches work right next to the leather.
How often should I check leather stored in an HDB flat?
Monthly for the master bedroom, more often for common bedrooms, ground floor units and anything under the bed.
Not sure how many patches your flat needs? Build your anti-mould plan and we'll work it out.