Del R Gilbert & Son Block Co, Inc

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Del R Gilbert & Son Block Co, Inc Family owned and operated Masonry & Landscaping Supply Company.Del R. Gilbert & Son Block Co., Inc. Del R. Gilbert Block Co.

is a manufacturer and distributor of masonry, precast concrete, and landscape supplies. We are located in Hooksett, Laconia, Tamworth, and Bethlehem, New Hampshire. has been in business for over 77 years and has been an industry leader since it’s inception in 1948. has grown from 9 acres to 30 acres in the Laconia location to over 50 acres between the four locations. We have always been family owned and operated and have many long time employees that have been with the company for over 30 years. There is always someone here to answer your questions with a high level of expertise to help you get the job done right! In 2006, we opened a state of the art precast facility at the Laconia location. Here, the facility manufactures catch basins, deck posts, septic tanks, Stone Strong, Pole Base, and World Block retaining walls. We also manufacture other precast products that have specific specifications for site work applications. We carry a full line of hardscape, masonry materials, and tools to complete your home improvement or new building projects. Whether you’re installing a new patio or outdoor kitchen, STONE STRONG retaining wall, chimney, outdoor fireplace, cultured stone, real stone, brick, granite, flue, and many other options, we would be happy to help you with all your material needs. We also have a full line of maintenance products to restore and enhance walkways and patios. If you are looking for bark mulch and aggregates we will have fresh mulch and stone in the spring to enhance your property for summertime landscaping. We look forward to seeing you at one of our 4 locations:

Laconia
427 Province Rd
Laconia NH 03246
603-524-1353

Tamworth
376 White Mtn Hwy
Tamworth NH 03817
603-323-3373

Hooksett
103 Pine Hill Rd
Hooksett NH 03106
603-485-8500

Bethlehem
1341 Whitefield Rd
Bethlehem NH 03574
603-444-4441

Real wood decking is a maintenance calendar. A Borealis patio from -bloc gives you the wood-plank look in wet cast concr...
10/21/2026

Real wood decking is a maintenance calendar.

A Borealis patio from -bloc gives you the wood-plank look in wet cast concrete, so the deck feeling stays and the annual sanding and staining does not.

Tell us what your deck is costing you in upkeep and we will talk options.

Contractor tip: the simpler the wall system, the easier it is to keep a crew moving.Systema from -Bloc is built with a s...
10/17/2026

Contractor tip: the simpler the wall system, the easier it is to keep a crew moving.

Systema from -Bloc is built with a smooth, modular format that works efficiently across straight walls and returns, helping crews maintain a clean, consistent install from one section to the next.

Less time fighting the layout. More time getting the wall built right.

Straight walls or curves: which do you install more often?

Large-format slabs can make a space feel cleaner without making the design feel empty.Blu Grande from -bloc works especi...
10/14/2026

Large-format slabs can make a space feel cleaner without making the design feel empty.

Blu Grande from -bloc works especially well on walkways, patios and pool surrounds, where the larger format creates broad, uninterrupted surfaces with fewer visual breaks.

Contractor tip: with large-format slabs, pay close attention to transitions, edges and cuts. The cleaner the layout, the more intentional the finished space feels.

Swipe to see Blu Grande used across two very different outdoor spaces.

Where do you like using large-format slabs most: walkways, patios or pool decks?

A pool deck that can be set on pedestals solves drainage and level in one move. Everest Rectangle from -bloc is HD² and ...
10/10/2026

A pool deck that can be set on pedestals solves drainage and level in one move. Everest Rectangle from -bloc is HD² and pedestal-set capable, so a crew can build a dead-level deck over a slope or a membrane without fighting the fall. The bonus you can sell: units lift out for access underneath, which the plumber will thank you for later. Got a raised or membrane deck coming up? Let's spec the pedestal layout together.

10/10/2026
A couple of days late posting, but we couldn’t let this one go by without a shoutout! 🧱👏Thursday was the annual QUIKRETE...
10/10/2026

A couple of days late posting, but we couldn’t let this one go by without a shoutout! 🧱👏

Thursday was the annual QUIKRETE® Masonry Madness® BRICKLAYER 500® competition, hosted by Gagne & Son LLC in Kittery, Maine!

Congratulations to all the competitors, including both the adult and junior teams! It takes incredible skill, teamwork, and dedication to compete, and we’re proud to celebrate the talented people in our industry.

🏆 Best of luck to those heading to the World of Concrete in Las Vegas in January 2027! We’ll be cheering you on!

When a slab has to pass as commercial, the spec sheet matters more than the mood board. Industria from -bloc is HD², ADA...
10/07/2026

When a slab has to pass as commercial, the spec sheet matters more than the mood board. Industria from -bloc is HD², ADA-rated, salt-resistant, and capable of rooftop and pedestal sets, so one product covers a residential patio and a light-commercial plaza.

Ask us where Industria's ratings fit your scope.

When the grade is serious, the wall stops being decorative. G-Force from -bloc is a structural retaining system built fo...
10/03/2026

When the grade is serious, the wall stops being decorative. G-Force from -bloc is a structural retaining system built for the walls that actually hold a hill back, not the ones that trim a flower bed. Spec it where the engineering has to come first.

Ask us whether G-Force suits the grade you are working with.

Iconic Fascia Wall by -bloc brings the dimensional character of stacked stone together with the performance of engineere...
09/30/2026

Iconic Fascia Wall by -bloc brings the dimensional character of stacked stone together with the performance of engineered concrete. Made with Klean-Bloc™ technology, it offers enhanced protection against stains and everyday wear while helping preserve its finish with minimal maintenance.

Ask us how the built-in protection changes what a stone-look wall needs from you.

A double-sided wall block that does not make you choose a good side. Semma from -bloc is a patented split-face system fi...
09/26/2026

A double-sided wall block that does not make you choose a good side. Semma from -bloc is a patented split-face system finished on both faces, so a freestanding wall is a finish job on both sides, not a finish and a fallback.

Ask us whether Semma suits the freestanding walls in your plan.

Address

427 Province Road
Laconia, NH
03246

Opening Hours

Monday 7am - 5pm
Tuesday 7am - 5pm
Wednesday 7am - 5pm
Thursday 7am - 5pm
Friday 7am - 5pm
Saturday 7am - 12pm

Telephone

+16035241353

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