H.  T.  Treadway, Inc.

Family Owned and Operated for Three Generations

  MD license 102  PA license BU7200

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What's New!

This is where we'll announce the most recent additions to our web site.  New services and products will be highlighted here too.  If you've visited us before and want to know what's changed, take a look here first.

We are happy to announce the opening of our new online store.  Click here to browse our products.  Check back often as we are frequently adding new items to our store.  If you're looking for a product that isn't in our store please call 1-800-832-3789.  It's possible we have it but haven't listed it on our website yet.  And if we don't stock it, we may be able to get it for you. 

Gutter Guard

Form, Function & Design
The Leaf Defier® is an open cell polyurethane insert, specially shaped and cut to fit snugly into your gutter. Even during the heaviest of rainstorms, the water flows through the Leaf Defier® into the gutter valley and out the downspout.

Leaves and debris slide off the surface or just dry up and blow away. Your gutters will remain clean and clear of clogs.

Proven Technology
This product has been successfully installed in thousands of homes across the nation, protecting them from all types of extreme weather conditions. It withstands heat, ice and torrential rains.

The Leaf Defier’s® patent pending material is factory treated with a Biocide and Fungicide that inhibits the growth of mold, mildew, fungus, algae and moss. It also has a built in UV stabilizer to prevent degradation from the sun.
Lightweight & Flexible
The Leaf Defier’s® lightweight and flexible design make installation a dream for the homeowner or contractor. Just slide Leaf Defier® under the existing gutter spikes and pull across the length of the gutter. No hardware or additional tools are needed. It’s that easy!

Leaf Defier® works like no other gutter protection
Clogged gutters can cause water damage to your home. Install Leaf Defier® and protect your home from foundation problems, basement leaks, rotting windows, rotting fascia boards and soffits, mold and mildew, and insect infestation.

Our sleek and streamlined design is virtually invisible once installed and will not interfere with the beauty of your home.


Michael and John Treadway met the requirements for  certification as Credentialed Wood Destroying Insect Organisms Inspectors. 

Michael Treadway passed his exams and added Pennsylvania certifications in general pests and wood destroying insects to his  existing Maryland certifications.

Tim Schoenenberger passed his exams and is now certified in general pests and wood destroying insects in the state of Pennsylvania.


If your lawn is being destroyed by moles contact us for more information about an innovative new procedure that can be used to eliminate these destructive pests.


We have added mold inspections & evaluation to the list of services we provide.  If you are interested please contact either Jeanne, Michael or Heather for more information.






Contact Information


Main Office 717-229-9818
Baltimore, MD 410-284-1661
York, PA 717-854-2847
Hanover, PA 717-633-7989
Gettysburg 717-334-9799
Harrisburg, PA 800-721-0123 Toll Free
Camp Hill, PA 717-737-9505
Mechanicsburg, PA 717-795-7374
Toll Free 800-832-3789
Postal address
3264 Smoketown Road, Spring Grove, PA 17362
General Information hmeccia@treadwaypestcontrol.com
Sales & Scheduling hmeccia@treadwaypestcontrol.com
Pest Related Questions hmeccia@treadwaypestcontrol.com
Webmaster jtreadway@treadwaypestcontrol.com

Customer Support: jtreadway@treadwaypestcontrol.com or Call 1-800-832-3789

Send mail to jtreadway@treadwaypestcontrol.com with questions or comments about this web site.
Copyright © 2005 H. T. Treadway, Inc.
Last modified: 09/13/10

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