Dealing With Dampness Inside The Home
The Bureau of Meteorology has forecast a damp Winter this week so it's time to ensure that while we keep the warmth indoors via heating that we also look after the quality of the air indoors and ensure furniture, blinds and curtains and walls don't become a conduit for disease.
High levels of indoor humidity aids the increase of bacteria, viruses, mites and fungi, and can lead to respiratory infections and illnesses: "The majority of adverse health effects caused by relative humidity would be minimised by maintaining indoor levels between 40 and 60%." [1.]
This week we look at how to prevent and treat dampness to keep your home free from ''creeping dank'' and the problems associated with this.
The warmth inside a home will cause moisture to evaporate into the air. If you always keep your windows and doors shut, fresh air can't replace this water-laden air.
When humid air comes into contact with a cold surface, it cools and condenses - depositing droplets of water. In cold weather, the temperature of your external walls and windows is lower than the air indoors - so moisture will condense and run down your window panes, and into your gyprock, window ledges and even affect wooden architraves at the base of glass doorways.
Dampness occurring in a modern house in good condition is usually due to condensation. To reduce it, you can extract the moist air with an extractor fan, reduce the moisture in the air by improving your ventilation and install insulation so the inner surfaces of your walls and windows don't get so cold. Cleaning extractor fans and vents will maximise their function of removing moisture from interior rooms.
Damp rooms in Winter occurs when a room gets too cold and the air can't absorb the moisture. By turning up the heating the air can absorb more moisture. Ensure rooms continue to have ventilation during these months so the damp air can escape as well.
If there's widespread damp or mould on your upstairs walls and ceilings a lack of ceiling ventilation or insulation can be the problem. To remedy this, you'll need to have insulation installed and check the air vents for your ceiling are not blocked.
If you have a persistent problem with mould in some areas of your home, year round whether from humidity in warm months and condensation during cooler months, it may be a good idea to apply a mould-resistant paint to these surfaces to prevent mildew. Make sure you clean the areas you are going to repaint well first or the mould will leach through your new work.
There are a great range of dehumidifiers available that will extract moisture from these rooms, and many of these also ‘clean’ the air, great for a damp salty air environment like ours – just remember some portable versions need to have their water tanks emptied regularly – you will be surprised how much accumulates and how quickly.
A few other simple ways of keeping dampness down within the home are to:
- Open windows when there is no rain and some breeze. This will increase airflow through the house, which will reduce humidity.
- Externally vent all water-vapour producing appliances such as washing machines, clothes dryers, showers and stoves. Venting into the roofspace can cause condensation problems, especially when the house has a metal roof.
- Install extractor fans in the kitchen, bathroom and laundry.
- Cover pans when cooking and let steam escape by opening a window or using an extractor fan.
- Dry clothes outdoors whenever possible.
- Keep furniture away from walls to improve air flow in the room.
- Don’t fill your cupboards to bursting point, especially those where cloth is stored.
- Close kitchen and bathroom doors to prevent steam travelling into colder rooms.
- Wipe surfaces when moisture settles to stop mould forming.
Johnson Bros Mitre 10 - Mona Vale: Cathi bringing a breath of fresh air with these Ausclimate dehumidifiers and air purifiers; Removes: dust, mould & allergens ✅ Reduces: viruses & bacteria ✅
Speak to us today about getting one for your home or office
Damp spots appearing on ceilings and becoming black with mould indicate there is a lack of ventilation in your roof cavity (the space between tiles and ceiling), a cracked or leaking tile (see re-point your roof) or that guttering may be leaking or that the flashing may have cracked or become dislodged, allowing water through. You'll need to refit the loose flashing, or replace it if it’s damaged with the same type of flashing or a self-adhesive flashing strip.
Cleaning debris from your guttering regularly and apply a sealant to small areas that have deteriorated or aren’t sealed properly and replacing those that are beyond repair will prevent water being funneled into the roof cavity.
Penetrating damp is caused by water seeping through the walls at any point (as opposed to rising damp, which is confined to the lower part of ground-floor walls). You may see damp patches appear when strong winds drive rain against the wall of your house, and disappear when the weather improves.
A semi-permanent damp patch can be caused by a leaking gutter or a crack in the brick mortar. If a whole wall is showing signs of damp, it may mean that old bricks have lost their weatherproof facings and become porous.
Penetrating damp is less likely to affect your home if it has cavity walls. If water does cross the cavity, it's usually because mortar has spread onto a wall tie.
Old bricks can become porous and let water penetrate though the wall. Replace the bricks, or repoint and treat the area with an exterior silicone water-repellent fluid.
Cracks in brickwork or damaged pointing in the joints will allow water through to your wall too. Where this appears have a look at the exterior of the structure and replace the damaged bricks and fill any gaps in the mortar.
If the brickwork is secure, mortar on a wall tie in the cavity could be bridging the gap and allowing water to cross to the inner wall. The only way to solve this is to remove some bricks, inspect the cavity and rake out or chip off any mortar on the wall ties.
Rising damp is confined to the lower part of walls (up to a height of about one metre) and to solid floors, and is caused by water soaking up from the ground.
If you have a modern house, it will be protected by a waterproof barrier that's built into the walls 150mm above the ground (the damp-proof course) and another one that's laid under concrete floors (the damp-proof membrane).
If there's a gap or breach in your damp-proof barrier, water from the ground can be drawn up into the structure of your house. This can happen if the plastic membrane under your floor has been torn (by sharp stones, for instance).
If you live in an old house built without a damp-proof barrier, it could well suffer from rising damp. While the problem is made worse by wet weather, it never completely dries out even in summer. If you spot signs of rising damp, you may need to call in professional help to find out the cause and remedy it.
One way you can protect your home from this is to ensure there is no build up of earth against your exterior walls; this will cause water to breach your damp-proof course and let water seep through. You'll need to remove the earth and let your wall dry out.
You can also ensure an adequate flow of air ventilates the area beneath your floor by installing an Edmonds Ecofan.
Johnson Bros Mitre 10 - Mona Vale and Avalon Beach: Big range of Heat Lamps- as Tracey shows
Preventing Flooding around your home
As severe wet weather appears to be occurring more often, and more forecast before Autumn and Winter are through, homes are prone to flooding.
A few measures you can take to prevent this around the home:
- Keep your gutters and downpipes clear of any leaves and debris.
- If surface water isn’t draining properly you may have a blocked Stormwater drain – check these to clear of debris washed into and if the problem persists and you have pools that don’t disperse, it is time to contact your plumber before the problem becomes worse.
- Ensure outside ground surfaces slope away from your house’s walls.
1. Indirect health effects of relative humidity in indoor environments. A V Arundel, E M Sterling, J H Biggin, and T D Sterling. Environmental Health Perspectives. 1986 Mar; 65: 351–361. Retrieved from: www.ncbi.nlm.nih.gov/pmc/articles/PMC1474709
Johnson Brothers Mitre 10 Update: Shop Online Or Phone Ahead
Intending to keep our customers and staff safe, we present some additional ways for both our retail and trade customers to do business with us.
Trade and Retail Pick Up
Express Pick up Mona Vale
- Call Johnson Bros Mitre 10 Mona Vale, and we will pick & pack your order and have it ready for you to pick up in 2 hours. (Stocked Lines Only)
- Drive into our undercover Trade Drive-Thru area at 73 Bassett St Mona Vale, and your order will be ready for pick-up.
- Our team members will help you with your load and finalise payment/paperwork
Express Pick up Avalon
- Call Johnson Bros Mitre 10 Avalon, and we will pick & pack your order and have it ready for you to pick up in 2 hours. (Stocked Lines Only)
- Drive into our back lane off Bellevue Avenue, and your order will be ready for pick-up.
- Our team members will help you with your load and finalise payment/paperwork
Online Retail Stores Go Live
We’ve launched two eCommerce sites offering 2hr pick up in-store and flat rate delivery options on the northern beaches*.
Jbhmv.com.au (Mona Vale)
With the ability to leave the product on your doorstep, this provides an option of an entirely contactless transaction.
*Flat rate delivery is not available to trade sales, building supplies and trade quantities
** The stock availability is updated nightly, which may mean the stock is unavailable when the order is placed
Trade Delivery to Site
Maybe not new, but certainly worth a mention again!
We can get almost anything delivered quickly onto site!
As always ring the trade desk direct on 9999 0333 and let them know what you need!
Like everyone, we have found ourselves in a new and uncertain environment, but we’re setting up (and digging in) for the long haul!
We want to acknowledge that the decision to retain over 120 staff and meet any future challenges head-on, could not have happened without the continued support you provide us as customers.
Thank you and stay safe,
The Johnson Family
Tax Time Tool Blitz 2020
On Sale Until June 30, 2020 - Catalogue Available Online
Mirabella 5W LED Solar Flood Light With Motion Sensor: $29.00
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DeWALT 18-54V 6.0Ah FlexVolt XR Li-Ion Brushless 3 Piece Combo Kit: $1,029.00
3 Piece Brushless combo kit. Backward-compatible with your existing XR power tool. Kit includes: Hammer Drill Driver. Impact Driver. 184mm (7") Circular Saw. 2 x 6.0Ah FlexVolt Battery. Fast Charger. T-Stak box. Bonus via redemption 18V Battery Pack.
Makita 18V 5.0Ah Brushless Combo Kit - 5 Piece: $1,449.00
Includes: 18V Brushless Hammer Driver Drill. 18V Brushless Impact Driver. 18V Brushless Planer. 18V 165mm Brushless Circular Saw. 18V Brushless Reciprocating Saw. 18V Fast Charger. 2 x 18V 5.0Ah Battery with Gauge. Carry bag. Bonus via redemption 2 x 5AH Batteries.
Rockwell 1200W Wet & Dry Vacuum: $99.00
20L tank. Stainless steel. Power take off. 4m cord. Carry handle & blower function. RD6602
Geelong Saw Horse Pair: $29.00
900W x 560D x 710Hmm
Johnson Brothers Mitre 10 Trade Centre at Mona Vale - everything you need under one roof.
Johnson Brothers Mitre 10 New Store
73 Bassett Street
Mona Vale - Online Store: Jbhmv.Com.Au
Products advice is available from the trained friendly staff at Narrabeen, Mona Vale and Avalon Johnson Brothers Mitre 10.
Click on logo to visit Johnson Brothers Mitre 10 website
Johnson Bros Mitre 10 - Avalon (02) 9918 3315
Johnson Bros Mitre 10 - Mona Vale (02) 9999 3340
JBH Timber & Building Supplies (02) 9999 0333
JBH Fencing & Landscape Supplies (02) 9970 6333
www.johnsonbros.com.au Online store: jbhmv.com.au
Previous DIY Pages:
Decking Timbers Caring For Your Deck Decking Finishes Privacy Screens I Privacy Screens II Privacy Screening Hardwoods Autumn Paths and Lawns Insulation Batts Plasterboard Ventilation - Edmond's Ecofan Blackboards for Children and Home Spring Lawn Care Shade Sails & Watering Basic DIY Tools DIY Tools - Power Drills Recycle Your Trampoline into An Air Bed How to Build Your Own Backyard Cricket Pitch Christmas Lights Displays around House and Garden Summer Mildew - Refresh, Renew How to Fix Things That Drip and Bump in the Night Time To Plant Winter Vegetables in a Raised Garden Beds Layout Organsing Your Tool Shed Make Your Own Weathervane Installing A Garden Watering System Decking Oils How To Make Garden Compost How To Winter proof Your Lawn How to create Shabby Chic effect on Timber Furniture How to Build Your Own Raised Garden Bed Growing Your Own Winter Vegies Winter Heating Guide Prepare Your Yard For Winter Eradicating Noxious Weeds From Your Yard How to Fix Furniture Finishes Part I How to Repair Scratches, Dings, and Dents of Furniture Surfaces - Part II Winter Draughts Fix Classic Wooden Tool Carrier Spring Garden Checklist Part I Install Your Own Skylight Retaining Walls for Saving Soil and New Spring Garden Beds Summer Salad Garden Native Plant Garden for A Fairy Arbour Renewing Short Flight of Exterior Stairs Deck Maintenance DIY Summer Tasks You Can Do In Time to Get to the Beach Garden Ponds for Attracting Birdlife, Dragonflies and for the Soothing Sounds of Water Salt Air: Maintenance and Protection Creating an Outdoor Dining Arbour, Gazebo or Patio - Part I Creating an Outdor Dining Arbour, Gazebo or Patio Part II Autumn Garden Tasks Autumn DIY Jobs: Waterproof Your Home Checklist Dealing With Dampness Inside the Home Fixing Your Fence Repairing and Replacing Damaged Decking boards DIY Toy Box and Snow Globes: School Holidays Fun - Winter 2015 DIY Wooden Toy Cars and Perfect Painted Flowerpots: School Holiday Fun - Winter 2015 Shoring Up an Under House Earth Bank – Installing a Basic Retaining Wall DIY One Shelf Sideboard Early Spring 2015 Garden Care Salad Garden For Children Keeping Your Garden and Home Cool in Hot Weather Classic Beach Garden and Camping Chairs 3 Portable Versions Anyone Can Make DIY Outdoor Furniture Mark I: Park Benches for Your Garden Make Your Own Scooter or Skateboard: Summer 2016 Fun How to Install a Solid Core Door and Door Furniture Summer Garden Jobs: Pruning A Hedge How to Make A Swing Chair - With A Frame for Garden Setting Garden Jobs for March to Make A Beautiful and Healthy Spring Keeping Outdoor Nooks Warm During Cooler Months Children’s Step Stool with Storage Stop Winter Rain Lawn Loss and Soil Erosion on Slopes DIY Garden Shed: Part 1 of 4 - Base DIY Garden Shed: Part 2 - Framing Walls DIY Garden Shed: Part 2b - Gable Roof Framing Garden Shed Part 3: Roof Installation DIY Garden Shed: Weather- boards - Door And Window Installation And Paint Finish DIY Coffee Table With Chessboard Inlay Spring Gardening: Feeding Your Soil And Plants - What Works For Each Plant DIY Sandstone Flagging Parking Area - Platform DIY Pre-Summer Checklist For A Safe Home Summer Spruce Up: Interior Paint Tips and Three easy steps to rejuvenate your timber deck The Perfect BBQ Garden Setting DIY Water Wise Garden DIY Side Gates DIY Storm Preparation And Home Protection One To Two Day DIY Weekend Spruce Ups Vegepods For Autumn Planting + Easy To Make Lego Table Or Student Desk That Can Be Dismantled + Johnson Brothers Mitre 10 Online Store Johnson Brothers Mitre 10 Great New Mona Vale Store: Still In Bassett Street - number 73 Johnson Brothers Mitre 10 New Mona Vale Store: The Greenlife Garden Centre Go Outside And Play: Creating Garden Spaces To Connect Children With Nature DIY Plasterboard Repair DIY Dolls House Or Garage Or Boatshed DIY Child's Waggon - or use as a large planter mover DIY Bathroom Refresh: Zing For Spring Tips for Growing a Native Garden FireCrunch, Australian Developed Fire-proof, Sustainable, Durable and Reliable Building Board Now Available at Johnson Bros. at Mona Vale and Narrabeen School Holidays DIY Ideas for Children: Little Vegetables Garden, Swing, Windchimes Bushfire Season Preparation 2017: Home and Outdoor Areas Johnson Brothers Mitre 10 Trade Centre at Mona Vale + Issue No 1 of Mitre 10’s inSITE Magazine for Tradies and Handymen Preparing Al Fresco Areas for Christmas Get-Togethers and Summer Visitors Summer De-bug; 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Johnson Bros Mitre 10 were awarded as the best Trade Store in the country: February 2020
Family Hardware Store Wins Best In Australia: Johnson Bros Mitre 10 Mona Vale Crowned ‘National Trade Store Of The Year’ - Celebrating 65th Year in 2020
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Front Page Issue 447: ANZAC DAY 2020