Simple past tense and past participle of clapboard.(verb)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "clapboarded" in a sentence
"It was "clapboarded" and two stories in height, the upper floor being used by Sol Jerrems, the storekeeper, as a residence, except for two little front rooms which he rented, one to Miss Huckins, the dressmaker and milliner, who slept and ate in her shop, and the other to Mr. Cragg."
"The priest was taken to interrupting wedding or funeral services by nipping out the side of the clapboarded church and accepting the home-brewed beer offered by peasants seeking the latitudes of grace they thought the priest could lead them to."
"The front door to a columned and clapboarded executive home in Eugene, Oregon opens ... and out walk the family children in traditional Mexican dresses and charro suits."