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How to Measure for Siding Installation

Vinyl siding is an excellent option if you are hoping to protect your New England home against the elements while also improving its curb appeal. However, you may want to measure the area that needs to be covered to determine how much you will need to spend on your siding installation project so you can choose a product that fits both your needs and budget. You will have several options to consider, including insulated or non-insulated composite or vinyl siding.

Measuring Siding for a House

Siding Installation

Most siding is sold in 100-square-foot increments, so you will need to determine the square footage (width x height) of the outside areas of your home that need to be covered and divide by 100 to determine how many squares of siding you will need. When determining the square footage of an outside wall, you will need to figure the square footage of any doors or windows and subtract from the total.

Types of Vinyl Siding Trim Pieces Needed

Siding Installation

Your siding installation project will also require various types of trim, which serves an aesthetic role but is also important for keeping water from getting under your siding. J channel, which is used to cover the exposed edges on vinyl siding, is the most common type of trim. It is often used around windows and doors and where siding meets a soffit or roof at an angle. Other types of trim that will be needed include starter strips for the bottoms of the walls, utility trim for the tops of walls and undersides of windowsills, and corner trim to cover the outer siding edge on an outside corner.

Other Common Siding Materials Needed

Other materials will be needed for your project, including wrap or insulation to go under the siding and galvanized nails to affix the siding to your home. It is estimated that you will need two-thirds of a pound of nails for every siding square.

Once you’ve calculated all of your vinyl siding, trim, and other material needs, you should be able to create a ballpark estimate of what your siding installation project will cost so you can choose the product that will best fit your budget.

NEWPRO’s Professional Siding Installers

If you would prefer to let an acclaimed siding installation company handle your project, NEWPRO sells and installs vinyl and composite insulated siding that is manufactured to stand up to the harsh New England climate. Contact us today to schedule a consultation and we’ll provide a free quote so you don’t have to spend hours measuring your home’s exterior.

April 26, 2019

Featured Testimonials

Siding Replacement Project

The NEWPRO process was fantastic.

They showed us a full 3D rendering of the final result before anything ever got started.

Peter & Jessica
Kingston, MA

Window Replacement Project

Quality of the windows was superior to the others we looked at. Now, our windows tilt in, so it's going to be much easier to clean them.

Pembroke, MA

Pool House Doors Project

Cold stays out in the winter. Cold stays in during the summer.

The best thing I love is the craftsmanship from NEWPRO. You'd never know we had the old door cut out because it was rotted from the New England weather.

Scott Zolak

Windows Replacement Project

The sales guy was very thorough and answered all of my questions. The guys that installed the windows were fantastic.

My heating bills have dropped significantly — by about 30% than what they were before.

Ed Morneau

Whole Home Solutions

Go with NEWPRO like I did, they are my home improvement partners for life.

They've replaced my roof, my front door, 38 windows around my house, my guest bath, and the doors on my pool house.

Scott Zolak

1-Day Bath Install

We totally fell in love with the designs.

NEWPRO really gave us an idea of how beautiful our bathroom could be.

Josh & Daisy
Methuen, MA


Not only will it beautify your home, it will protect it for years to come.

The process is actually very easy. Call NEWPRO — they'll tell you exactly what your home needs.

Scott Zolak
Wrentham, MA

A Reputation You Can Trust

It’s easy to see what makes NEWPRO New England’s go-to home improvement company.

  • Since 1945third-generation, family-owned and -operated
  • 350k+ Smilesby happy homeowners in the New England area
  • 75+ Yearsof quality home remodeling
  • 300+ Expertsat your service
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Giving Back Is Integral to NEWPRO’s Culture

Giving Back Is Integral to NEWPRO’s Culture
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Home Improvement is About Improving Lives

NEWPRO is proud to support worthy initiatives in the communities we serve. Through our exceptional products and services, we help those in need make upgrades to their homes that have a meaningful impact on their lives.

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