Repainting is key to maintaining exterior house paint. The material that your home is made of affects how often you should repaint. For instance, wood-paneled homes need to be repainted twice as often as those made of stucco. Environmental factors also play a role in how often you should repaint, since harsh climates can be hard on a home. As a general rule of thumb, homeowners should repaint their home every six to ten years.
An example of the wall measurement would be: 40 linear feet of bedroom space, x 8 wall height, =  320, x 2 = 640. Minus 1 door (60) and 2 windows (80) = 500 sq feet being painted. Then divide the 500 by 400 (sq feet per gallon), and you get 1.25 gallons (4.73 L) needed for that room. For this, you'd need 1 gallon (3.8 L) and 1 US-quart (950 ml). If the amount it comes out to is over 1.3, we recommend just getting 2 gallons (7.6 L) so that you have leftovers if needed, since 2 US quarts (2,000 ml) costs essentially the same as a gallon in most stores.
Painting exterior windows depend on the size of the window and the number of panes. To calculate the price for windows larger than 15 sq. ft., add 1’ to each side of the window and then multiply width x length. Add two sq. ft. for each window pane for painting the mullions, muntins, and sash and then multiply your total sq. ft. by \$84/100 sq. ft. So a 4’ x 4’ window with 4 panes will come to a total of 44 sq. ft. x \$84/100 sq. ft. = \$37.
Paint supplies cost anywhere from \$10 to \$100 or more depending on what you need. Painters will typically provide most of the supplies for a project, but sometimes they will allow you to pay for solely labor if you provide all the materials yourself. You might decide to do a DIY paint job down the road. In which case having these supplies on-hand will save you time and money.
Scale has one of the biggest impacts on deciding whether to hire painting help or take matters into your own hands. If you want to paint your home, consider whether or not this is a realistic task to take on yourself. For instance, is your house multiple stories or a townhouse? Do you just want to paint the kitchen or the entire exterior? Once you factor in the time it takes to do the prep work and lay down multiple coats of paint, a DIY paint job can get complicated. If the house painting job is extensive, you may want to leave it to professionals.

```While you may choose to paint a door, ground-level window trim and other parts of your house’s exterior, it’s really a job best left to the professionals. One of the main reasons is experience. An experienced painter knows how to handle the prep work, spot problems and identify sources of future trouble, all while getting the job done more efficiently. They are also experienced with spending long hours on tall ladders. If you want high-quality work, it’s best to hire a professional painter near you.
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While you may choose to paint a door, ground-level window trim and other parts of your house’s exterior, it’s really a job best left to the professionals. One of the main reasons is experience. An experienced painter knows how to handle the prep work, spot problems and identify sources of future trouble, all while getting the job done more efficiently. They are also experienced with spending long hours on tall ladders. If you want high-quality work, it’s best to hire a professional painter near you.
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Begin prepping your walls by removing any outlet covers or lighting fixtures (if possible). Next, inspect your walls for any defects. If you encounter cracks, dents, or holes in your walls, simply fill them in with caulk or spackling compound. There are also a number of DIY tips to fill nail holes. Once your repairs dry, smooth them down with sandpaper and wipe the walls down with a damp sponge.
Wood is probably the most time-consuming when it comes to preparing it for paint. It has to be scraped and sanded until there isn’t a single chip or bit of loose paint in sight. Any wood siding or trim with wood rot will need to be replaced, and all cracks and holes need to be filled with epoxy filler. Brush painting and roll painting wood siding costs \$43 per 100 sq. ft., and spray painting costs \$34 per 100 sq. ft.
Most house painting professionals will agree that two coats of paint are needed on a home. Using one coat of paint may look sufficient, but will not hold up over time. Two coats of paint, on the other hand, provide protection, washability, and help retain the true color of the paint. If you are still toying with the idea of hiring a professional painter, ask if two coats of paint are included in the pricing estimate.
The average cost to paint a house exterior is \$2,500 for a 2,400 sq. ft. two-story home, with most homeowners paying between \$1,800 and \$3,200. The final cost comes out to around \$0.60 to \$1.60 per square foot. With so many variables in pricing, you need to take them all into account before coming to your own estimate on how much your painting project will end up costing.
Compare offers. The painter offering the lowest rate may not always be the best painter for the job. Indeed, the total cost isn't the only factor to consider when choosing between multiple bids. You'll want to look at contracts side by side to ensure you're making an apples-to-apples comparison. Are the same materials being used? Are the same services included? Does the painter provide a warranty?
Test different paint swatches. The last thing you want to do is paint a whole room and then decide you despise the color (yes, it happens!). Try out different paint colors on the surface before choosing the paint that you want. Buying sample sizes will help you save money. The caveat: paint color samples are not real paint, so if you try to finish or touch up a project with samples, the paint will fade.
However, some water-based paints are easier to work with than others. The first coat of paint may not provide complete wall coverage, or the color may not be quite as saturated. Some of these problems can be addressed with a separate primer coat, but this is a time-consuming project. The ideal solution is using a higher-quality paint that combines a primer and a finish paint in a “one coat” product.
After you’ve bought your materials, prepare by removing all the furniture from the room. Next you can wash the walls and fill in any holes with spackle. Make sure to lay drop cloths or old sheets on the ground to protect the floor from paint. When you’re ready to paint, start with a layer of primer to cover all the walls. Once that has dried, you can paint with color. Use small brushes to paint edges and large rollers to cover the rest. For tips on choosing the perfect colors for your home, read on!
06/14/17: Renato completed an exterior painting project for our relatively large single family home in Stamford, CT last weekend. Project did not begin well especially with the prep, repair/carpentry work, but then Renato took full control and ensured that the work done was to our satisfaction. The final result is outstanding. Minor damage to window screens, gutters and plants. Ensure that your window screens, gutters, and shutters are numbered and stored indoors or if kept outdoor covered properly against the elements. The project can be extensively delayed due to rain and you may find yourself dealing with insects and/or flooding in basement and dirty/bent/ mismatched screens/gutters/shutters. Overall we had a good team working on our project and we are satisfied with the finished product. The house looks great!