If you see black streaks or patches of moss on your roof in Merrimack, NH, you are not alone. Our humid summers and shady lots in neighborhoods like Reeds Ferry and Thornton’s Ferry make algae and moss common. The good news is that professional roof washing, […]
Seeing dark streaks or thick green moss on your shingles is frustrating. It also makes your home look older than it is. The good news is that a professional soft wash can safely clear stains and growth without harming your roof. Below is a clear look […]
If you live in Nashua, NH, you know our seasons can be tough on siding. Homeowners often ask how long a clean will last after professional house washing. The short answer is that many homes in southern New Hampshire stay fresh for about a year, and […]
If you’re sorting out soft washing vs. pressure washing in Merrimack, NH, you’re already asking the right question. The right method matters for curb appeal and for protecting your home. As a local pressure washing team, Prizm Exteriors matches the process to the surface so you […]
A little planning before your appointment makes a big difference. With the right prep, your crew can work faster, protect your landscaping, and deliver a spotless result that lasts. If you want a refresher on methods and what’s included, skim our house washing overview, then use […]
If you’re trying to figure out house washing cost Merrimack or comparing quotes in Nashua, you’re not alone. Homeowners across southern New Hampshire want a fair, transparent price and a result that lasts. The right method matters as much as the number. For a deeper look […]
Winter in southern New Hampshire is hard on concrete. Road salt, de‑icers, and constant freeze–thaw cycles leave behind white film, pitted spots, and stains across driveways, walkways, and patios. If you want those surfaces to look great through spring and summer, the smartest first step is […]
If you’ve noticed mysterious black streaks on your roof, you’re not alone. Many homeowners in New Hampshire mistake them for dirt, mold, or even soot from chimneys. In reality, those stains are often caused by Gloeocapsa magma, a hardy type of roof algae that thrives in […]
Concrete surfaces endure a great deal of wear and tear throughout the year. From foot traffic and vehicle stains to seasonal buildup from pollen, leaves, and road salt, it doesn’t take long for even the cleanest-looking concrete to start looking weathered and dirty. Knowing when to […]
First, it's important to know that DIY stands for "Don't Injure Yourself" as well as "Do It Yourself." But if despite the low cost of hiring a professional you are determined to do your own pressure washing, here are a few of the mistakes that are […]
Though your home's gutters are there for more than decoration, Prizm Exteriors' professional gutter cleaning service can get them looking their best, as well as functioning and flowing at their ultimate level of efficiency. We advise our customers that gutter cleaning should be done twice annually: in […]
High PSI pressure washing produces amazing cleaning results, but all surfaces are not created equally, and in some cases chemically assisted soft washing is required to obtain the best results where highly pressurized water can be damaging. Our soft washing uses a pre-soaking technique with eco-friendly […]
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If you see black streaks or patches of moss on your roof in Merrimack, NH, you are not alone. Our humid summers and shady lots in neighborhoods like Reeds Ferry and Thornton’s Ferry make algae and moss common. The good news is that professional roof washing, […]
Seeing dark streaks or thick green moss on your shingles is frustrating. It also makes your home look older than it is. The good news is that a professional soft wash can safely clear stains and growth without harming your roof. Below is a clear look […]
